Home / 438,089.13-656,851.18-171,876.56

Finding the Fourth Proportional to 438,089.13, 656,851.18 and 171,876.56

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Solution

The fourth proportional to 438,089.13, 656,851.18 and 171,876.56 is: 257,704.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,089.13 : 656,851.18 = 171,876.56 : x
  2. Step 2: Convert to fraction form
    438,089.13/656,851.18 = 171,876.56/x
  3. Step 3: Cross multiply
    438,089.13x = 656,851.18 × 171,876.56
  4. Step 4: Simplify right side
    438,089.13x = 112,897,321,250.34
  5. Step 5: Solve for x
    x = 112,897,321,250.34/438,089.13
  6. Step 6: Final answer
    x = 257,704.00

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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.