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Finding the Fourth Proportional to 239,516.64, 330,528.60 and 132,096.60

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Solution

The fourth proportional to 239,516.64, 330,528.60 and 132,096.60 is: 182,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,516.64 : 330,528.60 = 132,096.60 : x
  2. Step 2: Convert to fraction form
    239,516.64/330,528.60 = 132,096.60/x
  3. Step 3: Cross multiply
    239,516.64x = 330,528.60 × 132,096.60
  4. Step 4: Simplify right side
    239,516.64x = 43,661,704,262.76
  5. Step 5: Solve for x
    x = 43,661,704,262.76/239,516.64
  6. Step 6: Final answer
    x = 182,290.90

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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.