Home / 231,516.28-347,037.61-156,644.33

Finding the Fourth Proportional to 231,516.28, 347,037.61 and 156,644.33

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Solution

The fourth proportional to 231,516.28, 347,037.61 and 156,644.33 is: 234,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,516.28 : 347,037.61 = 156,644.33 : x
  2. Step 2: Convert to fraction form
    231,516.28/347,037.61 = 156,644.33/x
  3. Step 3: Cross multiply
    231,516.28x = 347,037.61 × 156,644.33
  4. Step 4: Simplify right side
    231,516.28x = 54,361,473,903.25
  5. Step 5: Solve for x
    x = 54,361,473,903.25/231,516.28
  6. Step 6: Final answer
    x = 234,806.27

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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.