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Finding the Fourth Proportional to 587,311.56, 881,132.72 and 227,591.08

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Solution

The fourth proportional to 587,311.56, 881,132.72 and 227,591.08 is: 341,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,311.56 : 881,132.72 = 227,591.08 : x
  2. Step 2: Convert to fraction form
    587,311.56/881,132.72 = 227,591.08/x
  3. Step 3: Cross multiply
    587,311.56x = 881,132.72 × 227,591.08
  4. Step 4: Simplify right side
    587,311.56x = 200,537,947,368.14
  5. Step 5: Solve for x
    x = 200,537,947,368.14/587,311.56
  6. Step 6: Final answer
    x = 341,450.71

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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.