Home / 231,891.20-347,577.60-98,748.80

Finding the Fourth Proportional to 231,891.20, 347,577.60 and 98,748.80

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Solution

The fourth proportional to 231,891.20, 347,577.60 and 98,748.80 is: 148,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,891.20 : 347,577.60 = 98,748.80 : x
  2. Step 2: Convert to fraction form
    231,891.20/347,577.60 = 98,748.80/x
  3. Step 3: Cross multiply
    231,891.20x = 347,577.60 × 98,748.80
  4. Step 4: Simplify right side
    231,891.20x = 34,322,870,906.88
  5. Step 5: Solve for x
    x = 34,322,870,906.88/231,891.20
  6. Step 6: Final answer
    x = 148,012.82

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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.