Home / 331,044.40-496,566.60-109,428.40

Finding the Fourth Proportional to 331,044.40, 496,566.60 and 109,428.40

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Solution

The fourth proportional to 331,044.40, 496,566.60 and 109,428.40 is: 164,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,044.40 : 496,566.60 = 109,428.40 : x
  2. Step 2: Convert to fraction form
    331,044.40/496,566.60 = 109,428.40/x
  3. Step 3: Cross multiply
    331,044.40x = 496,566.60 × 109,428.40
  4. Step 4: Simplify right side
    331,044.40x = 54,338,488,531.44
  5. Step 5: Solve for x
    x = 54,338,488,531.44/331,044.40
  6. Step 6: Final answer
    x = 164,142.60

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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.