Home / 274,856.34-412,278.67-75,176.74

Finding the Fourth Proportional to 274,856.34, 412,278.67 and 75,176.74

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Solution

The fourth proportional to 274,856.34, 412,278.67 and 75,176.74 is: 112,763.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,856.34 : 412,278.67 = 75,176.74 : x
  2. Step 2: Convert to fraction form
    274,856.34/412,278.67 = 75,176.74/x
  3. Step 3: Cross multiply
    274,856.34x = 412,278.67 × 75,176.74
  4. Step 4: Simplify right side
    274,856.34x = 30,993,766,382.14
  5. Step 5: Solve for x
    x = 30,993,766,382.14/274,856.34
  6. Step 6: Final answer
    x = 112,763.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.