Home / 228,286.39-315,044.50-126,310.19

Finding the Fourth Proportional to 228,286.39, 315,044.50 and 126,310.19

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Solution

The fourth proportional to 228,286.39, 315,044.50 and 126,310.19 is: 174,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,286.39 : 315,044.50 = 126,310.19 : x
  2. Step 2: Convert to fraction form
    228,286.39/315,044.50 = 126,310.19/x
  3. Step 3: Cross multiply
    228,286.39x = 315,044.50 × 126,310.19
  4. Step 4: Simplify right side
    228,286.39x = 39,793,330,417.54
  5. Step 5: Solve for x
    x = 39,793,330,417.54/228,286.39
  6. Step 6: Final answer
    x = 174,313.20

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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.