Home / 371,658.13-557,454.37-135,002.86

Finding the Fourth Proportional to 371,658.13, 557,454.37 and 135,002.86

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Solution

The fourth proportional to 371,658.13, 557,454.37 and 135,002.86 is: 202,492.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,658.13 : 557,454.37 = 135,002.86 : x
  2. Step 2: Convert to fraction form
    371,658.13/557,454.37 = 135,002.86/x
  3. Step 3: Cross multiply
    371,658.13x = 557,454.37 × 135,002.86
  4. Step 4: Simplify right side
    371,658.13x = 75,257,934,269.50
  5. Step 5: Solve for x
    x = 75,257,934,269.50/371,658.13
  6. Step 6: Final answer
    x = 202,492.37

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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.