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Finding the Fourth Proportional to 217,082.06, 325,062.29 and 149,821.64

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Solution

The fourth proportional to 217,082.06, 325,062.29 and 149,821.64 is: 224,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,082.06 : 325,062.29 = 149,821.64 : x
  2. Step 2: Convert to fraction form
    217,082.06/325,062.29 = 149,821.64/x
  3. Step 3: Cross multiply
    217,082.06x = 325,062.29 × 149,821.64
  4. Step 4: Simplify right side
    217,082.06x = 48,701,363,015.54
  5. Step 5: Solve for x
    x = 48,701,363,015.54/217,082.06
  6. Step 6: Final answer
    x = 224,345.41

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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.