Home / 371,936.90-557,942.31-147,452.28

Finding the Fourth Proportional to 371,936.90, 557,942.31 and 147,452.28

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Solution

The fourth proportional to 371,936.90, 557,942.31 and 147,452.28 is: 221,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,936.90 : 557,942.31 = 147,452.28 : x
  2. Step 2: Convert to fraction form
    371,936.90/557,942.31 = 147,452.28/x
  3. Step 3: Cross multiply
    371,936.90x = 557,942.31 × 147,452.28
  4. Step 4: Simplify right side
    371,936.90x = 82,269,865,717.97
  5. Step 5: Solve for x
    x = 82,269,865,717.97/371,936.90
  6. Step 6: Final answer
    x = 221,193.08

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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.