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Finding the Fourth Proportional to 237,158.33, 327,280.86 and 129,726

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Solution

The fourth proportional to 237,158.33, 327,280.86 and 129,726 is: 179,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,158.33 : 327,280.86 = 129,726 : x
  2. Step 2: Convert to fraction form
    237,158.33/327,280.86 = 129,726/x
  3. Step 3: Cross multiply
    237,158.33x = 327,280.86 × 129,726
  4. Step 4: Simplify right side
    237,158.33x = 42,456,836,844.36
  5. Step 5: Solve for x
    x = 42,456,836,844.36/237,158.33
  6. Step 6: Final answer
    x = 179,023.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.