Home / 331,175.20-496,827.60-141,635.20

Finding the Fourth Proportional to 331,175.20, 496,827.60 and 141,635.20

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Solution

The fourth proportional to 331,175.20, 496,827.60 and 141,635.20 is: 212,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,175.20 : 496,827.60 = 141,635.20 : x
  2. Step 2: Convert to fraction form
    331,175.20/496,827.60 = 141,635.20/x
  3. Step 3: Cross multiply
    331,175.20x = 496,827.60 × 141,635.20
  4. Step 4: Simplify right side
    331,175.20x = 70,368,276,491.52
  5. Step 5: Solve for x
    x = 70,368,276,491.52/331,175.20
  6. Step 6: Final answer
    x = 212,480.51

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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.