Home / 320,337.11-442,046.26-177,088.61

Finding the Fourth Proportional to 320,337.11, 442,046.26 and 177,088.61

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Solution

The fourth proportional to 320,337.11, 442,046.26 and 177,088.61 is: 244,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,337.11 : 442,046.26 = 177,088.61 : x
  2. Step 2: Convert to fraction form
    320,337.11/442,046.26 = 177,088.61/x
  3. Step 3: Cross multiply
    320,337.11x = 442,046.26 × 177,088.61
  4. Step 4: Simplify right side
    320,337.11x = 78,281,359,065.58
  5. Step 5: Solve for x
    x = 78,281,359,065.58/320,337.11
  6. Step 6: Final answer
    x = 244,371.81

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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.