Home / 296,974.40-409,819.64-167,910.72

Finding the Fourth Proportional to 296,974.40, 409,819.64 and 167,910.72

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Solution

The fourth proportional to 296,974.40, 409,819.64 and 167,910.72 is: 231,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,974.40 : 409,819.64 = 167,910.72 : x
  2. Step 2: Convert to fraction form
    296,974.40/409,819.64 = 167,910.72/x
  3. Step 3: Cross multiply
    296,974.40x = 409,819.64 × 167,910.72
  4. Step 4: Simplify right side
    296,974.40x = 68,813,110,822.54
  5. Step 5: Solve for x
    x = 68,813,110,822.54/296,974.40
  6. Step 6: Final answer
    x = 231,713.95

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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.