Home / 217,040.10-325,560.15-163,817.70

Finding the Fourth Proportional to 217,040.10, 325,560.15 and 163,817.70

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Solution

The fourth proportional to 217,040.10, 325,560.15 and 163,817.70 is: 245,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,040.10 : 325,560.15 = 163,817.70 : x
  2. Step 2: Convert to fraction form
    217,040.10/325,560.15 = 163,817.70/x
  3. Step 3: Cross multiply
    217,040.10x = 325,560.15 × 163,817.70
  4. Step 4: Simplify right side
    217,040.10x = 53,332,514,984.66
  5. Step 5: Solve for x
    x = 53,332,514,984.66/217,040.10
  6. Step 6: Final answer
    x = 245,726.55

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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.