Home / 228,764.75-315,687.22-126,799.70

Finding the Fourth Proportional to 228,764.75, 315,687.22 and 126,799.70

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Solution

The fourth proportional to 228,764.75, 315,687.22 and 126,799.70 is: 174,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,764.75 : 315,687.22 = 126,799.70 : x
  2. Step 2: Convert to fraction form
    228,764.75/315,687.22 = 126,799.70/x
  3. Step 3: Cross multiply
    228,764.75x = 315,687.22 × 126,799.70
  4. Step 4: Simplify right side
    228,764.75x = 40,029,042,894.40
  5. Step 5: Solve for x
    x = 40,029,042,894.40/228,764.75
  6. Step 6: Final answer
    x = 174,979.07

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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.