Home / 438,003.23-656,689.20-269,174.52

Finding the Fourth Proportional to 438,003.23, 656,689.20 and 269,174.52

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Solution

The fourth proportional to 438,003.23, 656,689.20 and 269,174.52 is: 403,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,003.23 : 656,689.20 = 269,174.52 : x
  2. Step 2: Convert to fraction form
    438,003.23/656,689.20 = 269,174.52/x
  3. Step 3: Cross multiply
    438,003.23x = 656,689.20 × 269,174.52
  4. Step 4: Simplify right side
    438,003.23x = 176,764,000,199.18
  5. Step 5: Solve for x
    x = 176,764,000,199.18/438,003.23
  6. Step 6: Final answer
    x = 403,567.81

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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.