Home / 258,747.18-388,098.54-157,518.96

Finding the Fourth Proportional to 258,747.18, 388,098.54 and 157,518.96

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Solution

The fourth proportional to 258,747.18, 388,098.54 and 157,518.96 is: 236,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,747.18 : 388,098.54 = 157,518.96 : x
  2. Step 2: Convert to fraction form
    258,747.18/388,098.54 = 157,518.96/x
  3. Step 3: Cross multiply
    258,747.18x = 388,098.54 × 157,518.96
  4. Step 4: Simplify right side
    258,747.18x = 61,132,878,398.32
  5. Step 5: Solve for x
    x = 61,132,878,398.32/258,747.18
  6. Step 6: Final answer
    x = 236,264.91

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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.