Home / 257,218.24-385,516.32-132,491.20

Finding the Fourth Proportional to 257,218.24, 385,516.32 and 132,491.20

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Solution

The fourth proportional to 257,218.24, 385,516.32 and 132,491.20 is: 198,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,218.24 : 385,516.32 = 132,491.20 : x
  2. Step 2: Convert to fraction form
    257,218.24/385,516.32 = 132,491.20/x
  3. Step 3: Cross multiply
    257,218.24x = 385,516.32 × 132,491.20
  4. Step 4: Simplify right side
    257,218.24x = 51,077,519,856.38
  5. Step 5: Solve for x
    x = 51,077,519,856.38/257,218.24
  6. Step 6: Final answer
    x = 198,576.59

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1.5x scale

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.