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Finding the Fourth Proportional to 150,226.87, 207,310.03 and 86,560.87

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Solution

The fourth proportional to 150,226.87, 207,310.03 and 86,560.87 is: 119,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,226.87 : 207,310.03 = 86,560.87 : x
  2. Step 2: Convert to fraction form
    150,226.87/207,310.03 = 86,560.87/x
  3. Step 3: Cross multiply
    150,226.87x = 207,310.03 × 86,560.87
  4. Step 4: Simplify right side
    150,226.87x = 17,944,936,556.53
  5. Step 5: Solve for x
    x = 17,944,936,556.53/150,226.87
  6. Step 6: Final answer
    x = 119,452.24

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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.