Home / 288,517.90-398,148.87-175,377.10

Finding the Fourth Proportional to 288,517.90, 398,148.87 and 175,377.10

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Solution

The fourth proportional to 288,517.90, 398,148.87 and 175,377.10 is: 242,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,517.90 : 398,148.87 = 175,377.10 : x
  2. Step 2: Convert to fraction form
    288,517.90/398,148.87 = 175,377.10/x
  3. Step 3: Cross multiply
    288,517.90x = 398,148.87 × 175,377.10
  4. Step 4: Simplify right side
    288,517.90x = 69,826,194,188.88
  5. Step 5: Solve for x
    x = 69,826,194,188.88/288,517.90
  6. Step 6: Final answer
    x = 242,016.85

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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.