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Finding the Fourth Proportional to 240,145.70, 331,398.34 and 132,715.70

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Solution

The fourth proportional to 240,145.70, 331,398.34 and 132,715.70 is: 183,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,145.70 : 331,398.34 = 132,715.70 : x
  2. Step 2: Convert to fraction form
    240,145.70/331,398.34 = 132,715.70/x
  3. Step 3: Cross multiply
    240,145.70x = 331,398.34 × 132,715.70
  4. Step 4: Simplify right side
    240,145.70x = 43,981,761,925.90
  5. Step 5: Solve for x
    x = 43,981,761,925.90/240,145.70
  6. Step 6: Final answer
    x = 183,146.16

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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.