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Finding the Fourth Proportional to 429,353.64, 592,519.32 and 238,375.08

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Solution

The fourth proportional to 429,353.64, 592,519.32 and 238,375.08 is: 328,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,353.64 : 592,519.32 = 238,375.08 : x
  2. Step 2: Convert to fraction form
    429,353.64/592,519.32 = 238,375.08/x
  3. Step 3: Cross multiply
    429,353.64x = 592,519.32 × 238,375.08
  4. Step 4: Simplify right side
    429,353.64x = 141,241,840,306.55
  5. Step 5: Solve for x
    x = 141,241,840,306.55/429,353.64
  6. Step 6: Final answer
    x = 328,963.88

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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.