Home / 429,631.20-592,882.20-238,640.40

Finding the Fourth Proportional to 429,631.20, 592,882.20 and 238,640.40

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Solution

The fourth proportional to 429,631.20, 592,882.20 and 238,640.40 is: 329,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,631.20 : 592,882.20 = 238,640.40 : x
  2. Step 2: Convert to fraction form
    429,631.20/592,882.20 = 238,640.40/x
  3. Step 3: Cross multiply
    429,631.20x = 592,882.20 × 238,640.40
  4. Step 4: Simplify right side
    429,631.20x = 141,485,645,360.88
  5. Step 5: Solve for x
    x = 141,485,645,360.88/429,631.20
  6. Step 6: Final answer
    x = 329,318.83

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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.