Home / 228,385.74-315,152.58-126,411.33

Finding the Fourth Proportional to 228,385.74, 315,152.58 and 126,411.33

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Solution

The fourth proportional to 228,385.74, 315,152.58 and 126,411.33 is: 174,436.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,385.74 : 315,152.58 = 126,411.33 : x
  2. Step 2: Convert to fraction form
    228,385.74/315,152.58 = 126,411.33/x
  3. Step 3: Cross multiply
    228,385.74x = 315,152.58 × 126,411.33
  4. Step 4: Simplify right side
    228,385.74x = 39,838,856,790.73
  5. Step 5: Solve for x
    x = 39,838,856,790.73/228,385.74
  6. Step 6: Final answer
    x = 174,436.71

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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.