Home / 256,285.31-353,613.87-148,790.61

Finding the Fourth Proportional to 256,285.31, 353,613.87 and 148,790.61

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Solution

The fourth proportional to 256,285.31, 353,613.87 and 148,790.61 is: 205,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,285.31 : 353,613.87 = 148,790.61 : x
  2. Step 2: Convert to fraction form
    256,285.31/353,613.87 = 148,790.61/x
  3. Step 3: Cross multiply
    256,285.31x = 353,613.87 × 148,790.61
  4. Step 4: Simplify right side
    256,285.31x = 52,614,423,421.76
  5. Step 5: Solve for x
    x = 52,614,423,421.76/256,285.31
  6. Step 6: Final answer
    x = 205,296.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.