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Finding the Fourth Proportional to 468,484.25, 646,507.44 and 253,624.25

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Solution

The fourth proportional to 468,484.25, 646,507.44 and 253,624.25 is: 350,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,484.25 : 646,507.44 = 253,624.25 : x
  2. Step 2: Convert to fraction form
    468,484.25/646,507.44 = 253,624.25/x
  3. Step 3: Cross multiply
    468,484.25x = 646,507.44 × 253,624.25
  4. Step 4: Simplify right side
    468,484.25x = 163,969,961,356.88
  5. Step 5: Solve for x
    x = 163,969,961,356.88/468,484.25
  6. Step 6: Final answer
    x = 350,001.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.