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Finding the Fourth Proportional to 150,254.61, 207,351.42 and 82,275.89

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Solution

The fourth proportional to 150,254.61, 207,351.42 and 82,275.89 is: 113,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,254.61 : 207,351.42 = 82,275.89 : x
  2. Step 2: Convert to fraction form
    150,254.61/207,351.42 = 82,275.89/x
  3. Step 3: Cross multiply
    150,254.61x = 207,351.42 × 82,275.89
  4. Step 4: Simplify right side
    150,254.61x = 17,060,023,205.54
  5. Step 5: Solve for x
    x = 17,060,023,205.54/150,254.61
  6. Step 6: Final answer
    x = 113,540.76

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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.