Home / 274,856.85-412,279.43-75,177.23

Finding the Fourth Proportional to 274,856.85, 412,279.43 and 75,177.23

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Solution

The fourth proportional to 274,856.85, 412,279.43 and 75,177.23 is: 112,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,856.85 : 412,279.43 = 75,177.23 : x
  2. Step 2: Convert to fraction form
    274,856.85/412,279.43 = 75,177.23/x
  3. Step 3: Cross multiply
    274,856.85x = 412,279.43 × 75,177.23
  4. Step 4: Simplify right side
    274,856.85x = 30,994,023,096.10
  5. Step 5: Solve for x
    x = 30,994,023,096.10/274,856.85
  6. Step 6: Final answer
    x = 112,764.24

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1.5x scale

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.