Home / 402,286.56-554,909.21-238,832.13

Finding the Fourth Proportional to 402,286.56, 554,909.21 and 238,832.13

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Solution

The fourth proportional to 402,286.56, 554,909.21 and 238,832.13 is: 329,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,286.56 : 554,909.21 = 238,832.13 : x
  2. Step 2: Convert to fraction form
    402,286.56/554,909.21 = 238,832.13/x
  3. Step 3: Cross multiply
    402,286.56x = 554,909.21 × 238,832.13
  4. Step 4: Simplify right side
    402,286.56x = 132,530,148,580.92
  5. Step 5: Solve for x
    x = 132,530,148,580.92/402,286.56
  6. Step 6: Final answer
    x = 329,442.15

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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.