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Finding the Fourth Proportional to 231,517.01, 319,398.92 and 150,915.13

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Solution

The fourth proportional to 231,517.01, 319,398.92 and 150,915.13 is: 208,201.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,517.01 : 319,398.92 = 150,915.13 : x
  2. Step 2: Convert to fraction form
    231,517.01/319,398.92 = 150,915.13/x
  3. Step 3: Cross multiply
    231,517.01x = 319,398.92 × 150,915.13
  4. Step 4: Simplify right side
    231,517.01x = 48,202,129,533.66
  5. Step 5: Solve for x
    x = 48,202,129,533.66/231,517.01
  6. Step 6: Final answer
    x = 208,201.24

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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.