Home / 258,576.24-388,227.66-132,307.04

Finding the Fourth Proportional to 258,576.24, 388,227.66 and 132,307.04

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Solution

The fourth proportional to 258,576.24, 388,227.66 and 132,307.04 is: 198,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,576.24 : 388,227.66 = 132,307.04 : x
  2. Step 2: Convert to fraction form
    258,576.24/388,227.66 = 132,307.04/x
  3. Step 3: Cross multiply
    258,576.24x = 388,227.66 × 132,307.04
  4. Step 4: Simplify right side
    258,576.24x = 51,365,252,540.73
  5. Step 5: Solve for x
    x = 51,365,252,540.73/258,576.24
  6. Step 6: Final answer
    x = 198,646.45

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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.