Home / 231,387.20-346,821.60-98,244.80

Finding the Fourth Proportional to 231,387.20, 346,821.60 and 98,244.80

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Solution

The fourth proportional to 231,387.20, 346,821.60 and 98,244.80 is: 147,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,387.20 : 346,821.60 = 98,244.80 : x
  2. Step 2: Convert to fraction form
    231,387.20/346,821.60 = 98,244.80/x
  3. Step 3: Cross multiply
    231,387.20x = 346,821.60 × 98,244.80
  4. Step 4: Simplify right side
    231,387.20x = 34,073,418,727.68
  5. Step 5: Solve for x
    x = 34,073,418,727.68/231,387.20
  6. Step 6: Final answer
    x = 147,257.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.