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Finding the Fourth Proportional to 237,399.84, 327,620.62 and 135,441.90

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Solution

The fourth proportional to 237,399.84, 327,620.62 and 135,441.90 is: 186,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,399.84 : 327,620.62 = 135,441.90 : x
  2. Step 2: Convert to fraction form
    237,399.84/327,620.62 = 135,441.90/x
  3. Step 3: Cross multiply
    237,399.84x = 327,620.62 × 135,441.90
  4. Step 4: Simplify right side
    237,399.84x = 44,373,559,251.98
  5. Step 5: Solve for x
    x = 44,373,559,251.98/237,399.84
  6. Step 6: Final answer
    x = 186,914.87

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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.