Home / 455,188.92-682,565.24-215,103

Finding the Fourth Proportional to 455,188.92, 682,565.24 and 215,103

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Solution

The fourth proportional to 455,188.92, 682,565.24 and 215,103 is: 322,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,188.92 : 682,565.24 = 215,103 : x
  2. Step 2: Convert to fraction form
    455,188.92/682,565.24 = 215,103/x
  3. Step 3: Cross multiply
    455,188.92x = 682,565.24 × 215,103
  4. Step 4: Simplify right side
    455,188.92x = 146,821,830,819.72
  5. Step 5: Solve for x
    x = 146,821,830,819.72/455,188.92
  6. Step 6: Final answer
    x = 322,551.42

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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.