Home / 731,128.59-1,096,285.50-225,546.12

Finding the Fourth Proportional to 731,128.59, 1,096,285.50 and 225,546.12

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Solution

The fourth proportional to 731,128.59, 1,096,285.50 and 225,546.12 is: 338,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,128.59 : 1,096,285.50 = 225,546.12 : x
  2. Step 2: Convert to fraction form
    731,128.59/1,096,285.50 = 225,546.12/x
  3. Step 3: Cross multiply
    731,128.59x = 1,096,285.50 × 225,546.12
  4. Step 4: Simplify right side
    731,128.59x = 247,262,940,937.26
  5. Step 5: Solve for x
    x = 247,262,940,937.26/731,128.59
  6. Step 6: Final answer
    x = 338,193.51

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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.