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Finding the Fourth Proportional to 502,612.92, 753,909 and 165,673.80

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Solution

The fourth proportional to 502,612.92, 753,909 and 165,673.80 is: 248,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,612.92 : 753,909 = 165,673.80 : x
  2. Step 2: Convert to fraction form
    502,612.92/753,909 = 165,673.80/x
  3. Step 3: Cross multiply
    502,612.92x = 753,909 × 165,673.80
  4. Step 4: Simplify right side
    502,612.92x = 124,902,968,884.20
  5. Step 5: Solve for x
    x = 124,902,968,884.20/502,612.92
  6. Step 6: Final answer
    x = 248,507.28

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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.