Home / 231,815.20-347,463.60-98,672.80

Finding the Fourth Proportional to 231,815.20, 347,463.60 and 98,672.80

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Solution

The fourth proportional to 231,815.20, 347,463.60 and 98,672.80 is: 147,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,815.20 : 347,463.60 = 98,672.80 : x
  2. Step 2: Convert to fraction form
    231,815.20/347,463.60 = 98,672.80/x
  3. Step 3: Cross multiply
    231,815.20x = 347,463.60 × 98,672.80
  4. Step 4: Simplify right side
    231,815.20x = 34,285,206,310.08
  5. Step 5: Solve for x
    x = 34,285,206,310.08/231,815.20
  6. Step 6: Final answer
    x = 147,898.87

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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.