Home / 258,746.97-388,098.22-157,518.75

Finding the Fourth Proportional to 258,746.97, 388,098.22 and 157,518.75

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Solution

The fourth proportional to 258,746.97, 388,098.22 and 157,518.75 is: 236,264.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,746.97 : 388,098.22 = 157,518.75 : x
  2. Step 2: Convert to fraction form
    258,746.97/388,098.22 = 157,518.75/x
  3. Step 3: Cross multiply
    258,746.97x = 388,098.22 × 157,518.75
  4. Step 4: Simplify right side
    258,746.97x = 61,132,745,127.58
  5. Step 5: Solve for x
    x = 61,132,745,127.58/258,746.97
  6. Step 6: Final answer
    x = 236,264.59

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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.