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Finding the Fourth Proportional to 621,002.02, 931,503.02 and 200,277.90

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Solution

The fourth proportional to 621,002.02, 931,503.02 and 200,277.90 is: 300,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,002.02 : 931,503.02 = 200,277.90 : x
  2. Step 2: Convert to fraction form
    621,002.02/931,503.02 = 200,277.90/x
  3. Step 3: Cross multiply
    621,002.02x = 931,503.02 × 200,277.90
  4. Step 4: Simplify right side
    621,002.02x = 186,559,468,689.26
  5. Step 5: Solve for x
    x = 186,559,468,689.26/621,002.02
  6. Step 6: Final answer
    x = 300,416.85

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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.