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Finding the Fourth Proportional to 151,229.40, 226,844.10 and 40,421.40

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Solution

The fourth proportional to 151,229.40, 226,844.10 and 40,421.40 is: 60,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,229.40 : 226,844.10 = 40,421.40 : x
  2. Step 2: Convert to fraction form
    151,229.40/226,844.10 = 40,421.40/x
  3. Step 3: Cross multiply
    151,229.40x = 226,844.10 × 40,421.40
  4. Step 4: Simplify right side
    151,229.40x = 9,169,356,103.74
  5. Step 5: Solve for x
    x = 9,169,356,103.74/151,229.40
  6. Step 6: Final answer
    x = 60,632.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.