Home / 217,600.56-326,331.72-69,822

Finding the Fourth Proportional to 217,600.56, 326,331.72 and 69,822

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Solution

The fourth proportional to 217,600.56, 326,331.72 and 69,822 is: 104,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,600.56 : 326,331.72 = 69,822 : x
  2. Step 2: Convert to fraction form
    217,600.56/326,331.72 = 69,822/x
  3. Step 3: Cross multiply
    217,600.56x = 326,331.72 × 69,822
  4. Step 4: Simplify right side
    217,600.56x = 22,785,133,353.84
  5. Step 5: Solve for x
    x = 22,785,133,353.84/217,600.56
  6. Step 6: Final answer
    x = 104,710.82

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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.