Home / 395,565.26-545,882.66-214,277.18

Finding the Fourth Proportional to 395,565.26, 545,882.66 and 214,277.18

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Solution

The fourth proportional to 395,565.26, 545,882.66 and 214,277.18 is: 295,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,565.26 : 545,882.66 = 214,277.18 : x
  2. Step 2: Convert to fraction form
    395,565.26/545,882.66 = 214,277.18/x
  3. Step 3: Cross multiply
    395,565.26x = 545,882.66 × 214,277.18
  4. Step 4: Simplify right side
    395,565.26x = 116,970,193,194.90
  5. Step 5: Solve for x
    x = 116,970,193,194.90/395,565.26
  6. Step 6: Final answer
    x = 295,703.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.