Home / 330,720.60-496,080.90-172,997.40

Finding the Fourth Proportional to 330,720.60, 496,080.90 and 172,997.40

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Solution

The fourth proportional to 330,720.60, 496,080.90 and 172,997.40 is: 259,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,720.60 : 496,080.90 = 172,997.40 : x
  2. Step 2: Convert to fraction form
    330,720.60/496,080.90 = 172,997.40/x
  3. Step 3: Cross multiply
    330,720.60x = 496,080.90 × 172,997.40
  4. Step 4: Simplify right side
    330,720.60x = 85,820,705,889.66
  5. Step 5: Solve for x
    x = 85,820,705,889.66/330,720.60
  6. Step 6: Final answer
    x = 259,496.10

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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.