Home / 261,577.04-392,369.20-74,588.56

Finding the Fourth Proportional to 261,577.04, 392,369.20 and 74,588.56

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Solution

The fourth proportional to 261,577.04, 392,369.20 and 74,588.56 is: 111,883.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,577.04 : 392,369.20 = 74,588.56 : x
  2. Step 2: Convert to fraction form
    261,577.04/392,369.20 = 74,588.56/x
  3. Step 3: Cross multiply
    261,577.04x = 392,369.20 × 74,588.56
  4. Step 4: Simplify right side
    261,577.04x = 29,266,253,616.35
  5. Step 5: Solve for x
    x = 29,266,253,616.35/261,577.04
  6. Step 6: Final answer
    x = 111,883.88

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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.