Home / 442,132.54-663,238.90-122,304.44

Finding the Fourth Proportional to 442,132.54, 663,238.90 and 122,304.44

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Solution

The fourth proportional to 442,132.54, 663,238.90 and 122,304.44 is: 183,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,132.54 : 663,238.90 = 122,304.44 : x
  2. Step 2: Convert to fraction form
    442,132.54/663,238.90 = 122,304.44/x
  3. Step 3: Cross multiply
    442,132.54x = 663,238.90 × 122,304.44
  4. Step 4: Simplify right side
    442,132.54x = 81,117,062,250.72
  5. Step 5: Solve for x
    x = 81,117,062,250.72/442,132.54
  6. Step 6: Final answer
    x = 183,467.75

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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.