Home / 658,163.20-987,244.80-159,527.20

Finding the Fourth Proportional to 658,163.20, 987,244.80 and 159,527.20

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Solution

The fourth proportional to 658,163.20, 987,244.80 and 159,527.20 is: 239,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,163.20 : 987,244.80 = 159,527.20 : x
  2. Step 2: Convert to fraction form
    658,163.20/987,244.80 = 159,527.20/x
  3. Step 3: Cross multiply
    658,163.20x = 987,244.80 × 159,527.20
  4. Step 4: Simplify right side
    658,163.20x = 157,492,398,658.56
  5. Step 5: Solve for x
    x = 157,492,398,658.56/658,163.20
  6. Step 6: Final answer
    x = 239,290.80

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Double scale
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Similar ratio
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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.