Home / 371,521.80-557,107.03-143,924.02

Finding the Fourth Proportional to 371,521.80, 557,107.03 and 143,924.02

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Solution

The fourth proportional to 371,521.80, 557,107.03 and 143,924.02 is: 215,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,521.80 : 557,107.03 = 143,924.02 : x
  2. Step 2: Convert to fraction form
    371,521.80/557,107.03 = 143,924.02/x
  3. Step 3: Cross multiply
    371,521.80x = 557,107.03 × 143,924.02
  4. Step 4: Simplify right side
    371,521.80x = 80,181,083,327.86
  5. Step 5: Solve for x
    x = 80,181,083,327.86/371,521.80
  6. Step 6: Final answer
    x = 215,817.98

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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.