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Finding the Fourth Proportional to 250,330.92, 375,519.42 and 81,852.12

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Solution

The fourth proportional to 250,330.92, 375,519.42 and 81,852.12 is: 122,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,330.92 : 375,519.42 = 81,852.12 : x
  2. Step 2: Convert to fraction form
    250,330.92/375,519.42 = 81,852.12/x
  3. Step 3: Cross multiply
    250,330.92x = 375,519.42 × 81,852.12
  4. Step 4: Simplify right side
    250,330.92x = 30,737,060,628.17
  5. Step 5: Solve for x
    x = 30,737,060,628.17/250,330.92
  6. Step 6: Final answer
    x = 122,785.71

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1.5x scale

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.