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Finding the Fourth Proportional to 415,001.14, 572,693.80 and 253,844.34

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Solution

The fourth proportional to 415,001.14, 572,693.80 and 253,844.34 is: 350,300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,001.14 : 572,693.80 = 253,844.34 : x
  2. Step 2: Convert to fraction form
    415,001.14/572,693.80 = 253,844.34/x
  3. Step 3: Cross multiply
    415,001.14x = 572,693.80 × 253,844.34
  4. Step 4: Simplify right side
    415,001.14x = 145,375,079,683.09
  5. Step 5: Solve for x
    x = 145,375,079,683.09/415,001.14
  6. Step 6: Final answer
    x = 350,300.43

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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.