Home / 228,340.47-315,103.33-126,370.18

Finding the Fourth Proportional to 228,340.47, 315,103.33 and 126,370.18

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Solution

The fourth proportional to 228,340.47, 315,103.33 and 126,370.18 is: 174,387.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,340.47 : 315,103.33 = 126,370.18 : x
  2. Step 2: Convert to fraction form
    228,340.47/315,103.33 = 126,370.18/x
  3. Step 3: Cross multiply
    228,340.47x = 315,103.33 × 126,370.18
  4. Step 4: Simplify right side
    228,340.47x = 39,819,664,530.70
  5. Step 5: Solve for x
    x = 39,819,664,530.70/228,340.47
  6. Step 6: Final answer
    x = 174,387.24

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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.