Home / 667,552.71-1,001,212.31-187,666.44

Finding the Fourth Proportional to 667,552.71, 1,001,212.31 and 187,666.44

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Solution

The fourth proportional to 667,552.71, 1,001,212.31 and 187,666.44 is: 281,466.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,552.71 : 1,001,212.31 = 187,666.44 : x
  2. Step 2: Convert to fraction form
    667,552.71/1,001,212.31 = 187,666.44/x
  3. Step 3: Cross multiply
    667,552.71x = 1,001,212.31 × 187,666.44
  4. Step 4: Simplify right side
    667,552.71x = 187,893,948,963.54
  5. Step 5: Solve for x
    x = 187,893,948,963.54/667,552.71
  6. Step 6: Final answer
    x = 281,466.84

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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.