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Finding the Fourth Proportional to 239,314.85, 330,253.72 and 131,884.85

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Solution

The fourth proportional to 239,314.85, 330,253.72 and 131,884.85 is: 182,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,314.85 : 330,253.72 = 131,884.85 : x
  2. Step 2: Convert to fraction form
    239,314.85/330,253.72 = 131,884.85/x
  3. Step 3: Cross multiply
    239,314.85x = 330,253.72 × 131,884.85
  4. Step 4: Simplify right side
    239,314.85x = 43,555,462,324.14
  5. Step 5: Solve for x
    x = 43,555,462,324.14/239,314.85
  6. Step 6: Final answer
    x = 182,000.67

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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.