Home / 217,439.29-325,734.50-149,811.79

Finding the Fourth Proportional to 217,439.29, 325,734.50 and 149,811.79

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Solution

The fourth proportional to 217,439.29, 325,734.50 and 149,811.79 is: 224,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,439.29 : 325,734.50 = 149,811.79 : x
  2. Step 2: Convert to fraction form
    217,439.29/325,734.50 = 149,811.79/x
  3. Step 3: Cross multiply
    217,439.29x = 325,734.50 × 149,811.79
  4. Step 4: Simplify right side
    217,439.29x = 48,798,866,693.82
  5. Step 5: Solve for x
    x = 48,798,866,693.82/217,439.29
  6. Step 6: Final answer
    x = 224,425.25

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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.