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Finding the Fourth Proportional to 274,049.16, 378,166.80 and 166,604.28

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Solution

The fourth proportional to 274,049.16, 378,166.80 and 166,604.28 is: 229,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,049.16 : 378,166.80 = 166,604.28 : x
  2. Step 2: Convert to fraction form
    274,049.16/378,166.80 = 166,604.28/x
  3. Step 3: Cross multiply
    274,049.16x = 378,166.80 × 166,604.28
  4. Step 4: Simplify right side
    274,049.16x = 63,004,207,433.90
  5. Step 5: Solve for x
    x = 63,004,207,433.90/274,049.16
  6. Step 6: Final answer
    x = 229,901.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.