Home / 312,218.12-468,327.20-75,560.84

Finding the Fourth Proportional to 312,218.12, 468,327.20 and 75,560.84

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Solution

The fourth proportional to 312,218.12, 468,327.20 and 75,560.84 is: 113,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,218.12 : 468,327.20 = 75,560.84 : x
  2. Step 2: Convert to fraction form
    312,218.12/468,327.20 = 75,560.84/x
  3. Step 3: Cross multiply
    312,218.12x = 468,327.20 × 75,560.84
  4. Step 4: Simplify right side
    312,218.12x = 35,387,196,626.85
  5. Step 5: Solve for x
    x = 35,387,196,626.85/312,218.12
  6. Step 6: Final answer
    x = 113,341.26

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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.