Home / 371,531.80-557,122.02-143,934.04

Finding the Fourth Proportional to 371,531.80, 557,122.02 and 143,934.04

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Solution

The fourth proportional to 371,531.80, 557,122.02 and 143,934.04 is: 215,833.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,531.80 : 557,122.02 = 143,934.04 : x
  2. Step 2: Convert to fraction form
    371,531.80/557,122.02 = 143,934.04/x
  3. Step 3: Cross multiply
    371,531.80x = 557,122.02 × 143,934.04
  4. Step 4: Simplify right side
    371,531.80x = 80,188,823,111.56
  5. Step 5: Solve for x
    x = 80,188,823,111.56/371,531.80
  6. Step 6: Final answer
    x = 215,833.00

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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.