Home / 238,479.20-329,029.52-142,951.04

Finding the Fourth Proportional to 238,479.20, 329,029.52 and 142,951.04

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Solution

The fourth proportional to 238,479.20, 329,029.52 and 142,951.04 is: 197,229.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,479.20 : 329,029.52 = 142,951.04 : x
  2. Step 2: Convert to fraction form
    238,479.20/329,029.52 = 142,951.04/x
  3. Step 3: Cross multiply
    238,479.20x = 329,029.52 × 142,951.04
  4. Step 4: Simplify right side
    238,479.20x = 47,035,112,074.70
  5. Step 5: Solve for x
    x = 47,035,112,074.70/238,479.20
  6. Step 6: Final answer
    x = 197,229.41

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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.