Home / 232,775.16-321,204.78-156,278.76

Finding the Fourth Proportional to 232,775.16, 321,204.78 and 156,278.76

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Solution

The fourth proportional to 232,775.16, 321,204.78 and 156,278.76 is: 215,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,775.16 : 321,204.78 = 156,278.76 : x
  2. Step 2: Convert to fraction form
    232,775.16/321,204.78 = 156,278.76/x
  3. Step 3: Cross multiply
    232,775.16x = 321,204.78 × 156,278.76
  4. Step 4: Simplify right side
    232,775.16x = 50,197,484,724.47
  5. Step 5: Solve for x
    x = 50,197,484,724.47/232,775.16
  6. Step 6: Final answer
    x = 215,647.94

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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.