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Finding the Fourth Proportional to 240,854.31, 361,613.16 and 122,608.08

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Solution

The fourth proportional to 240,854.31, 361,613.16 and 122,608.08 is: 184,080.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,854.31 : 361,613.16 = 122,608.08 : x
  2. Step 2: Convert to fraction form
    240,854.31/361,613.16 = 122,608.08/x
  3. Step 3: Cross multiply
    240,854.31x = 361,613.16 × 122,608.08
  4. Step 4: Simplify right side
    240,854.31x = 44,336,695,250.33
  5. Step 5: Solve for x
    x = 44,336,695,250.33/240,854.31
  6. Step 6: Final answer
    x = 184,080.97

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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.