Home / 330,115.10-496,229.70-306,714.20

Finding the Fourth Proportional to 330,115.10, 496,229.70 and 306,714.20

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Solution

The fourth proportional to 330,115.10, 496,229.70 and 306,714.20 is: 461,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,115.10 : 496,229.70 = 306,714.20 : x
  2. Step 2: Convert to fraction form
    330,115.10/496,229.70 = 306,714.20/x
  3. Step 3: Cross multiply
    330,115.10x = 496,229.70 × 306,714.20
  4. Step 4: Simplify right side
    330,115.10x = 152,200,695,451.74
  5. Step 5: Solve for x
    x = 152,200,695,451.74/330,115.10
  6. Step 6: Final answer
    x = 461,053.42

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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.