Home / 371,429.12-557,414.22-134,790.86

Finding the Fourth Proportional to 371,429.12, 557,414.22 and 134,790.86

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Solution

The fourth proportional to 371,429.12, 557,414.22 and 134,790.86 is: 202,284.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,429.12 : 557,414.22 = 134,790.86 : x
  2. Step 2: Convert to fraction form
    371,429.12/557,414.22 = 134,790.86/x
  3. Step 3: Cross multiply
    371,429.12x = 557,414.22 × 134,790.86
  4. Step 4: Simplify right side
    371,429.12x = 75,134,342,090.03
  5. Step 5: Solve for x
    x = 75,134,342,090.03/371,429.12
  6. Step 6: Final answer
    x = 202,284.47

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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.