Home / 258,938.97-388,252.93-101,241.69

Finding the Fourth Proportional to 258,938.97, 388,252.93 and 101,241.69

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Solution

The fourth proportional to 258,938.97, 388,252.93 and 101,241.69 is: 151,801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,938.97 : 388,252.93 = 101,241.69 : x
  2. Step 2: Convert to fraction form
    258,938.97/388,252.93 = 101,241.69/x
  3. Step 3: Cross multiply
    258,938.97x = 388,252.93 × 101,241.69
  4. Step 4: Simplify right side
    258,938.97x = 39,307,382,780.65
  5. Step 5: Solve for x
    x = 39,307,382,780.65/258,938.97
  6. Step 6: Final answer
    x = 151,801.73

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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.