Home / 228,569.45-315,418.86-126,590.85

Finding the Fourth Proportional to 228,569.45, 315,418.86 and 126,590.85

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Solution

The fourth proportional to 228,569.45, 315,418.86 and 126,590.85 is: 174,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,569.45 : 315,418.86 = 126,590.85 : x
  2. Step 2: Convert to fraction form
    228,569.45/315,418.86 = 126,590.85/x
  3. Step 3: Cross multiply
    228,569.45x = 315,418.86 × 126,590.85
  4. Step 4: Simplify right side
    228,569.45x = 39,929,141,593.43
  5. Step 5: Solve for x
    x = 39,929,141,593.43/228,569.45
  6. Step 6: Final answer
    x = 174,691.51

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1.5x scale

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.