Home / 460,234.20-690,351.30-127,810.20

Finding the Fourth Proportional to 460,234.20, 690,351.30 and 127,810.20

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Solution

The fourth proportional to 460,234.20, 690,351.30 and 127,810.20 is: 191,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,234.20 : 690,351.30 = 127,810.20 : x
  2. Step 2: Convert to fraction form
    460,234.20/690,351.30 = 127,810.20/x
  3. Step 3: Cross multiply
    460,234.20x = 690,351.30 × 127,810.20
  4. Step 4: Simplify right side
    460,234.20x = 88,233,937,723.26
  5. Step 5: Solve for x
    x = 88,233,937,723.26/460,234.20
  6. Step 6: Final answer
    x = 191,715.30

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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.