Home / 228,934.16-315,939.34-126,952.78

Finding the Fourth Proportional to 228,934.16, 315,939.34 and 126,952.78

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Solution

The fourth proportional to 228,934.16, 315,939.34 and 126,952.78 is: 175,200.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,934.16 : 315,939.34 = 126,952.78 : x
  2. Step 2: Convert to fraction form
    228,934.16/315,939.34 = 126,952.78/x
  3. Step 3: Cross multiply
    228,934.16x = 315,939.34 × 126,952.78
  4. Step 4: Simplify right side
    228,934.16x = 40,109,377,524.37
  5. Step 5: Solve for x
    x = 40,109,377,524.37/228,934.16
  6. Step 6: Final answer
    x = 175,200.49

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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.