Home / 218,864.43-328,069.04-92,399.13

Finding the Fourth Proportional to 218,864.43, 328,069.04 and 92,399.13

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Solution

The fourth proportional to 218,864.43, 328,069.04 and 92,399.13 is: 138,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,864.43 : 328,069.04 = 92,399.13 : x
  2. Step 2: Convert to fraction form
    218,864.43/328,069.04 = 92,399.13/x
  3. Step 3: Cross multiply
    218,864.43x = 328,069.04 × 92,399.13
  4. Step 4: Simplify right side
    218,864.43x = 30,313,293,413.94
  5. Step 5: Solve for x
    x = 30,313,293,413.94/218,864.43
  6. Step 6: Final answer
    x = 138,502.60

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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.