Home / 258,726.14-387,627.50-140,321.96

Finding the Fourth Proportional to 258,726.14, 387,627.50 and 140,321.96

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Solution

The fourth proportional to 258,726.14, 387,627.50 and 140,321.96 is: 210,232.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,726.14 : 387,627.50 = 140,321.96 : x
  2. Step 2: Convert to fraction form
    258,726.14/387,627.50 = 140,321.96/x
  3. Step 3: Cross multiply
    258,726.14x = 387,627.50 × 140,321.96
  4. Step 4: Simplify right side
    258,726.14x = 54,392,650,549.90
  5. Step 5: Solve for x
    x = 54,392,650,549.90/258,726.14
  6. Step 6: Final answer
    x = 210,232.53

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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.