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Finding the Fourth Proportional to 621,001.02, 931,501.52 and 200,276.90

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Solution

The fourth proportional to 621,001.02, 931,501.52 and 200,276.90 is: 300,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,001.02 : 931,501.52 = 200,276.90 : x
  2. Step 2: Convert to fraction form
    621,001.02/931,501.52 = 200,276.90/x
  3. Step 3: Cross multiply
    621,001.02x = 931,501.52 × 200,276.90
  4. Step 4: Simplify right side
    621,001.02x = 186,558,236,770.89
  5. Step 5: Solve for x
    x = 186,558,236,770.89/621,001.02
  6. Step 6: Final answer
    x = 300,415.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.