Home / 231,444.48-319,378.28-129,452.24

Finding the Fourth Proportional to 231,444.48, 319,378.28 and 129,452.24

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Solution

The fourth proportional to 231,444.48, 319,378.28 and 129,452.24 is: 178,635.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,444.48 : 319,378.28 = 129,452.24 : x
  2. Step 2: Convert to fraction form
    231,444.48/319,378.28 = 129,452.24/x
  3. Step 3: Cross multiply
    231,444.48x = 319,378.28 × 129,452.24
  4. Step 4: Simplify right side
    231,444.48x = 41,344,233,753.35
  5. Step 5: Solve for x
    x = 41,344,233,753.35/231,444.48
  6. Step 6: Final answer
    x = 178,635.64

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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.