Home / 231,529.40-319,560.21-150,812.90

Finding the Fourth Proportional to 231,529.40, 319,560.21 and 150,812.90

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Solution

The fourth proportional to 231,529.40, 319,560.21 and 150,812.90 is: 208,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,529.40 : 319,560.21 = 150,812.90 : x
  2. Step 2: Convert to fraction form
    231,529.40/319,560.21 = 150,812.90/x
  3. Step 3: Cross multiply
    231,529.40x = 319,560.21 × 150,812.90
  4. Step 4: Simplify right side
    231,529.40x = 48,193,800,396.91
  5. Step 5: Solve for x
    x = 48,193,800,396.91/231,529.40
  6. Step 6: Final answer
    x = 208,154.13

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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.