Home / 494,431.20-741,646.80-162,007.20

Finding the Fourth Proportional to 494,431.20, 741,646.80 and 162,007.20

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Solution

The fourth proportional to 494,431.20, 741,646.80 and 162,007.20 is: 243,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,431.20 : 741,646.80 = 162,007.20 : x
  2. Step 2: Convert to fraction form
    494,431.20/741,646.80 = 162,007.20/x
  3. Step 3: Cross multiply
    494,431.20x = 741,646.80 × 162,007.20
  4. Step 4: Simplify right side
    494,431.20x = 120,152,121,456.96
  5. Step 5: Solve for x
    x = 120,152,121,456.96/494,431.20
  6. Step 6: Final answer
    x = 243,010.80

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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.