Home / 228,788.57-315,727.68-125,422.58

Finding the Fourth Proportional to 228,788.57, 315,727.68 and 125,422.58

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Solution

The fourth proportional to 228,788.57, 315,727.68 and 125,422.58 is: 173,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,788.57 : 315,727.68 = 125,422.58 : x
  2. Step 2: Convert to fraction form
    228,788.57/315,727.68 = 125,422.58/x
  3. Step 3: Cross multiply
    228,788.57x = 315,727.68 × 125,422.58
  4. Step 4: Simplify right side
    228,788.57x = 39,599,380,203.01
  5. Step 5: Solve for x
    x = 39,599,380,203.01/228,788.57
  6. Step 6: Final answer
    x = 173,082.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.