Home / 395,304.12-545,520.04-214,016.18

Finding the Fourth Proportional to 395,304.12, 545,520.04 and 214,016.18

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Solution

The fourth proportional to 395,304.12, 545,520.04 and 214,016.18 is: 295,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,304.12 : 545,520.04 = 214,016.18 : x
  2. Step 2: Convert to fraction form
    395,304.12/545,520.04 = 214,016.18/x
  3. Step 3: Cross multiply
    395,304.12x = 545,520.04 × 214,016.18
  4. Step 4: Simplify right side
    395,304.12x = 116,750,112,413.52
  5. Step 5: Solve for x
    x = 116,750,112,413.52/395,304.12
  6. Step 6: Final answer
    x = 295,342.51

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1.5x scale

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.