Home / 218,705.14-326,859.38-159,665.14

Finding the Fourth Proportional to 218,705.14, 326,859.38 and 159,665.14

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Solution

The fourth proportional to 218,705.14, 326,859.38 and 159,665.14 is: 238,622.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,705.14 : 326,859.38 = 159,665.14 : x
  2. Step 2: Convert to fraction form
    218,705.14/326,859.38 = 159,665.14/x
  3. Step 3: Cross multiply
    218,705.14x = 326,859.38 × 159,665.14
  4. Step 4: Simplify right side
    218,705.14x = 52,188,048,668.01
  5. Step 5: Solve for x
    x = 52,188,048,668.01/218,705.14
  6. Step 6: Final answer
    x = 238,622.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.