Home / 230,864.68-318,591.98-128,884.24

Finding the Fourth Proportional to 230,864.68, 318,591.98 and 128,884.24

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Solution

The fourth proportional to 230,864.68, 318,591.98 and 128,884.24 is: 177,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,864.68 : 318,591.98 = 128,884.24 : x
  2. Step 2: Convert to fraction form
    230,864.68/318,591.98 = 128,884.24/x
  3. Step 3: Cross multiply
    230,864.68x = 318,591.98 × 128,884.24
  4. Step 4: Simplify right side
    230,864.68x = 41,061,485,212.40
  5. Step 5: Solve for x
    x = 41,061,485,212.40/230,864.68
  6. Step 6: Final answer
    x = 177,859.54

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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.