Home / 438,982.44-658,473.96-123,439.38

Finding the Fourth Proportional to 438,982.44, 658,473.96 and 123,439.38

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Solution

The fourth proportional to 438,982.44, 658,473.96 and 123,439.38 is: 185,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,982.44 : 658,473.96 = 123,439.38 : x
  2. Step 2: Convert to fraction form
    438,982.44/658,473.96 = 123,439.38/x
  3. Step 3: Cross multiply
    438,982.44x = 658,473.96 × 123,439.38
  4. Step 4: Simplify right side
    438,982.44x = 81,281,617,368.54
  5. Step 5: Solve for x
    x = 81,281,617,368.54/438,982.44
  6. Step 6: Final answer
    x = 185,159.15

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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.