Home / 371,520.05-557,104.41-143,922.27

Finding the Fourth Proportional to 371,520.05, 557,104.41 and 143,922.27

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Solution

The fourth proportional to 371,520.05, 557,104.41 and 143,922.27 is: 215,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,520.05 : 557,104.41 = 143,922.27 : x
  2. Step 2: Convert to fraction form
    371,520.05/557,104.41 = 143,922.27/x
  3. Step 3: Cross multiply
    371,520.05x = 557,104.41 × 143,922.27
  4. Step 4: Simplify right side
    371,520.05x = 80,179,731,314.21
  5. Step 5: Solve for x
    x = 80,179,731,314.21/371,520.05
  6. Step 6: Final answer
    x = 215,815.36

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1.5x scale

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.