Home / 445,032.44-667,612.28-137,310.50

Finding the Fourth Proportional to 445,032.44, 667,612.28 and 137,310.50

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Solution

The fourth proportional to 445,032.44, 667,612.28 and 137,310.50 is: 205,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,032.44 : 667,612.28 = 137,310.50 : x
  2. Step 2: Convert to fraction form
    445,032.44/667,612.28 = 137,310.50/x
  3. Step 3: Cross multiply
    445,032.44x = 667,612.28 × 137,310.50
  4. Step 4: Simplify right side
    445,032.44x = 91,670,175,972.94
  5. Step 5: Solve for x
    x = 91,670,175,972.94/445,032.44
  6. Step 6: Final answer
    x = 205,985.38

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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.