Home / 217,331.40-325,559.70-123,727.80

Finding the Fourth Proportional to 217,331.40, 325,559.70 and 123,727.80

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Solution

The fourth proportional to 217,331.40, 325,559.70 and 123,727.80 is: 185,342.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,331.40 : 325,559.70 = 123,727.80 : x
  2. Step 2: Convert to fraction form
    217,331.40/325,559.70 = 123,727.80/x
  3. Step 3: Cross multiply
    217,331.40x = 325,559.70 × 123,727.80
  4. Step 4: Simplify right side
    217,331.40x = 40,280,785,449.66
  5. Step 5: Solve for x
    x = 40,280,785,449.66/217,331.40
  6. Step 6: Final answer
    x = 185,342.69

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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.