Home / 258,949.62-388,293.12-118,587.96

Finding the Fourth Proportional to 258,949.62, 388,293.12 and 118,587.96

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Solution

The fourth proportional to 258,949.62, 388,293.12 and 118,587.96 is: 177,821.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,949.62 : 388,293.12 = 118,587.96 : x
  2. Step 2: Convert to fraction form
    258,949.62/388,293.12 = 118,587.96/x
  3. Step 3: Cross multiply
    258,949.62x = 388,293.12 × 118,587.96
  4. Step 4: Simplify right side
    258,949.62x = 46,046,888,982.84
  5. Step 5: Solve for x
    x = 46,046,888,982.84/258,949.62
  6. Step 6: Final answer
    x = 177,821.81

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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.