Home / 312,199.37-468,299.07-75,542.05

Finding the Fourth Proportional to 312,199.37, 468,299.07 and 75,542.05

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Solution

The fourth proportional to 312,199.37, 468,299.07 and 75,542.05 is: 113,313.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,199.37 : 468,299.07 = 75,542.05 : x
  2. Step 2: Convert to fraction form
    312,199.37/468,299.07 = 75,542.05/x
  3. Step 3: Cross multiply
    312,199.37x = 468,299.07 × 75,542.05
  4. Step 4: Simplify right side
    312,199.37x = 35,376,270,590.15
  5. Step 5: Solve for x
    x = 35,376,270,590.15/312,199.37
  6. Step 6: Final answer
    x = 113,313.08

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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.