Home / 438,760.26-658,089.36-123,244.20

Finding the Fourth Proportional to 438,760.26, 658,089.36 and 123,244.20

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Solution

The fourth proportional to 438,760.26, 658,089.36 and 123,244.20 is: 184,851.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,760.26 : 658,089.36 = 123,244.20 : x
  2. Step 2: Convert to fraction form
    438,760.26/658,089.36 = 123,244.20/x
  3. Step 3: Cross multiply
    438,760.26x = 658,089.36 × 123,244.20
  4. Step 4: Simplify right side
    438,760.26x = 81,105,696,701.71
  5. Step 5: Solve for x
    x = 81,105,696,701.71/438,760.26
  6. Step 6: Final answer
    x = 184,851.97

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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.