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Finding the Fourth Proportional to 237,216.70, 327,358.67 and 129,787.17

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Solution

The fourth proportional to 237,216.70, 327,358.67 and 129,787.17 is: 179,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,216.70 : 327,358.67 = 129,787.17 : x
  2. Step 2: Convert to fraction form
    237,216.70/327,358.67 = 129,787.17/x
  3. Step 3: Cross multiply
    237,216.70x = 327,358.67 × 129,787.17
  4. Step 4: Simplify right side
    237,216.70x = 42,486,953,477.73
  5. Step 5: Solve for x
    x = 42,486,953,477.73/237,216.70
  6. Step 6: Final answer
    x = 179,106.08

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1.5x scale

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.