Home / 278,566.71-417,693.24-88,982.55

Finding the Fourth Proportional to 278,566.71, 417,693.24 and 88,982.55

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Solution

The fourth proportional to 278,566.71, 417,693.24 and 88,982.55 is: 133,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,566.71 : 417,693.24 = 88,982.55 : x
  2. Step 2: Convert to fraction form
    278,566.71/417,693.24 = 88,982.55/x
  3. Step 3: Cross multiply
    278,566.71x = 417,693.24 × 88,982.55
  4. Step 4: Simplify right side
    278,566.71x = 37,167,409,612.96
  5. Step 5: Solve for x
    x = 37,167,409,612.96/278,566.71
  6. Step 6: Final answer
    x = 133,423.73

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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.