Home / 238,470.20-329,017.10-142,942.04

Finding the Fourth Proportional to 238,470.20, 329,017.10 and 142,942.04

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Solution

The fourth proportional to 238,470.20, 329,017.10 and 142,942.04 is: 197,216.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,470.20 : 329,017.10 = 142,942.04 : x
  2. Step 2: Convert to fraction form
    238,470.20/329,017.10 = 142,942.04/x
  3. Step 3: Cross multiply
    238,470.20x = 329,017.10 × 142,942.04
  4. Step 4: Simplify right side
    238,470.20x = 47,030,375,468.88
  5. Step 5: Solve for x
    x = 47,030,375,468.88/238,470.20
  6. Step 6: Final answer
    x = 197,216.99

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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.