Home / 429,121.62-592,193.17-238,152.78

Finding the Fourth Proportional to 429,121.62, 592,193.17 and 238,152.78

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Solution

The fourth proportional to 429,121.62, 592,193.17 and 238,152.78 is: 328,653.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,121.62 : 592,193.17 = 238,152.78 : x
  2. Step 2: Convert to fraction form
    429,121.62/592,193.17 = 238,152.78/x
  3. Step 3: Cross multiply
    429,121.62x = 592,193.17 × 238,152.78
  4. Step 4: Simplify right side
    429,121.62x = 141,032,446,771.55
  5. Step 5: Solve for x
    x = 141,032,446,771.55/429,121.62
  6. Step 6: Final answer
    x = 328,653.79

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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.