Home / 330,719.60-496,079.40-172,996.40

Finding the Fourth Proportional to 330,719.60, 496,079.40 and 172,996.40

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Solution

The fourth proportional to 330,719.60, 496,079.40 and 172,996.40 is: 259,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,719.60 : 496,079.40 = 172,996.40 : x
  2. Step 2: Convert to fraction form
    330,719.60/496,079.40 = 172,996.40/x
  3. Step 3: Cross multiply
    330,719.60x = 496,079.40 × 172,996.40
  4. Step 4: Simplify right side
    330,719.60x = 85,819,950,314.16
  5. Step 5: Solve for x
    x = 85,819,950,314.16/330,719.60
  6. Step 6: Final answer
    x = 259,494.60

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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.