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Finding the Fourth Proportional to 546,720.80, 820,081.20 and 251,232.80

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Solution

The fourth proportional to 546,720.80, 820,081.20 and 251,232.80 is: 376,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,720.80 : 820,081.20 = 251,232.80 : x
  2. Step 2: Convert to fraction form
    546,720.80/820,081.20 = 251,232.80/x
  3. Step 3: Cross multiply
    546,720.80x = 820,081.20 × 251,232.80
  4. Step 4: Simplify right side
    546,720.80x = 206,031,296,103.36
  5. Step 5: Solve for x
    x = 206,031,296,103.36/546,720.80
  6. Step 6: Final answer
    x = 376,849.20

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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.