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Finding the Fourth Proportional to 332,449.29, 498,673.94 and 83,131.29

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Solution

The fourth proportional to 332,449.29, 498,673.94 and 83,131.29 is: 124,696.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,449.29 : 498,673.94 = 83,131.29 : x
  2. Step 2: Convert to fraction form
    332,449.29/498,673.94 = 83,131.29/x
  3. Step 3: Cross multiply
    332,449.29x = 498,673.94 × 83,131.29
  4. Step 4: Simplify right side
    332,449.29x = 41,455,407,505.93
  5. Step 5: Solve for x
    x = 41,455,407,505.93/332,449.29
  6. Step 6: Final answer
    x = 124,696.94

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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.