Home / 257,961.10-386,613.60-229,748.80

Finding the Fourth Proportional to 257,961.10, 386,613.60 and 229,748.80

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Solution

The fourth proportional to 257,961.10, 386,613.60 and 229,748.80 is: 344,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,961.10 : 386,613.60 = 229,748.80 : x
  2. Step 2: Convert to fraction form
    257,961.10/386,613.60 = 229,748.80/x
  3. Step 3: Cross multiply
    257,961.10x = 386,613.60 × 229,748.80
  4. Step 4: Simplify right side
    257,961.10x = 88,824,010,663.68
  5. Step 5: Solve for x
    x = 88,824,010,663.68/257,961.10
  6. Step 6: Final answer
    x = 344,331.03

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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.