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Finding the Fourth Proportional to 230,576.63, 318,195.74 and 129,974.63

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Solution

The fourth proportional to 230,576.63, 318,195.74 and 129,974.63 is: 179,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,576.63 : 318,195.74 = 129,974.63 : x
  2. Step 2: Convert to fraction form
    230,576.63/318,195.74 = 129,974.63/x
  3. Step 3: Cross multiply
    230,576.63x = 318,195.74 × 129,974.63
  4. Step 4: Simplify right side
    230,576.63x = 41,357,372,308.03
  5. Step 5: Solve for x
    x = 41,357,372,308.03/230,576.63
  6. Step 6: Final answer
    x = 179,364.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.