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Finding the Fourth Proportional to 250,470.34, 375,763.11 and 81,996.10

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Solution

The fourth proportional to 250,470.34, 375,763.11 and 81,996.10 is: 123,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,470.34 : 375,763.11 = 81,996.10 : x
  2. Step 2: Convert to fraction form
    250,470.34/375,763.11 = 81,996.10/x
  3. Step 3: Cross multiply
    250,470.34x = 375,763.11 × 81,996.10
  4. Step 4: Simplify right side
    250,470.34x = 30,811,109,543.87
  5. Step 5: Solve for x
    x = 30,811,109,543.87/250,470.34
  6. Step 6: Final answer
    x = 123,013.01

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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.