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Finding the Fourth Proportional to 574,224.28, 861,239.94 and 174,768.28

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Solution

The fourth proportional to 574,224.28, 861,239.94 and 174,768.28 is: 262,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,224.28 : 861,239.94 = 174,768.28 : x
  2. Step 2: Convert to fraction form
    574,224.28/861,239.94 = 174,768.28/x
  3. Step 3: Cross multiply
    574,224.28x = 861,239.94 × 174,768.28
  4. Step 4: Simplify right side
    574,224.28x = 150,517,422,981.10
  5. Step 5: Solve for x
    x = 150,517,422,981.10/574,224.28
  6. Step 6: Final answer
    x = 262,123.06

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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.