Home / 330,748.40-496,252.20-131,034.80

Finding the Fourth Proportional to 330,748.40, 496,252.20 and 131,034.80

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Solution

The fourth proportional to 330,748.40, 496,252.20 and 131,034.80 is: 196,603.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,748.40 : 496,252.20 = 131,034.80 : x
  2. Step 2: Convert to fraction form
    330,748.40/496,252.20 = 131,034.80/x
  3. Step 3: Cross multiply
    330,748.40x = 496,252.20 × 131,034.80
  4. Step 4: Simplify right side
    330,748.40x = 65,026,307,776.56
  5. Step 5: Solve for x
    x = 65,026,307,776.56/330,748.40
  6. Step 6: Final answer
    x = 196,603.54

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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.