Home / 330,830.24-496,245.36-143,841.76

Finding the Fourth Proportional to 330,830.24, 496,245.36 and 143,841.76

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Solution

The fourth proportional to 330,830.24, 496,245.36 and 143,841.76 is: 215,762.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,830.24 : 496,245.36 = 143,841.76 : x
  2. Step 2: Convert to fraction form
    330,830.24/496,245.36 = 143,841.76/x
  3. Step 3: Cross multiply
    330,830.24x = 496,245.36 × 143,841.76
  4. Step 4: Simplify right side
    330,830.24x = 71,380,805,974.23
  5. Step 5: Solve for x
    x = 71,380,805,974.23/330,830.24
  6. Step 6: Final answer
    x = 215,762.64

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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.