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Finding the Fourth Proportional to 394,510.34, 544,413.37 and 222,426.79

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Solution

The fourth proportional to 394,510.34, 544,413.37 and 222,426.79 is: 306,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,510.34 : 544,413.37 = 222,426.79 : x
  2. Step 2: Convert to fraction form
    394,510.34/544,413.37 = 222,426.79/x
  3. Step 3: Cross multiply
    394,510.34x = 544,413.37 × 222,426.79
  4. Step 4: Simplify right side
    394,510.34x = 121,092,118,322.18
  5. Step 5: Solve for x
    x = 121,092,118,322.18/394,510.34
  6. Step 6: Final answer
    x = 306,942.83

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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.