Home / 230,463.38-318,040.83-128,495.27

Finding the Fourth Proportional to 230,463.38, 318,040.83 and 128,495.27

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Solution

The fourth proportional to 230,463.38, 318,040.83 and 128,495.27 is: 177,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,463.38 : 318,040.83 = 128,495.27 : x
  2. Step 2: Convert to fraction form
    230,463.38/318,040.83 = 128,495.27/x
  3. Step 3: Cross multiply
    230,463.38x = 318,040.83 × 128,495.27
  4. Step 4: Simplify right side
    230,463.38x = 40,866,740,731.67
  5. Step 5: Solve for x
    x = 40,866,740,731.67/230,463.38
  6. Step 6: Final answer
    x = 177,324.23

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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.