Home / 329,306.16-493,959.24-79,986.48

Finding the Fourth Proportional to 329,306.16, 493,959.24 and 79,986.48

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Solution

The fourth proportional to 329,306.16, 493,959.24 and 79,986.48 is: 119,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,306.16 : 493,959.24 = 79,986.48 : x
  2. Step 2: Convert to fraction form
    329,306.16/493,959.24 = 79,986.48/x
  3. Step 3: Cross multiply
    329,306.16x = 493,959.24 × 79,986.48
  4. Step 4: Simplify right side
    329,306.16x = 39,510,060,871.08
  5. Step 5: Solve for x
    x = 39,510,060,871.08/329,306.16
  6. Step 6: Final answer
    x = 119,979.72

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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.