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Finding the Fourth Proportional to 181,290.60, 271,935.90 and 154,463.40

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Solution

The fourth proportional to 181,290.60, 271,935.90 and 154,463.40 is: 231,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,290.60 : 271,935.90 = 154,463.40 : x
  2. Step 2: Convert to fraction form
    181,290.60/271,935.90 = 154,463.40/x
  3. Step 3: Cross multiply
    181,290.60x = 271,935.90 × 154,463.40
  4. Step 4: Simplify right side
    181,290.60x = 42,004,143,696.06
  5. Step 5: Solve for x
    x = 42,004,143,696.06/181,290.60
  6. Step 6: Final answer
    x = 231,695.10

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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.