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Finding the Fourth Proportional to 362,323.80, 542,448.90 and 222,355.80

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Solution

The fourth proportional to 362,323.80, 542,448.90 and 222,355.80 is: 332,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,323.80 : 542,448.90 = 222,355.80 : x
  2. Step 2: Convert to fraction form
    362,323.80/542,448.90 = 222,355.80/x
  3. Step 3: Cross multiply
    362,323.80x = 542,448.90 × 222,355.80
  4. Step 4: Simplify right side
    362,323.80x = 120,616,659,118.62
  5. Step 5: Solve for x
    x = 120,616,659,118.62/362,323.80
  6. Step 6: Final answer
    x = 332,897.42

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1.5x scale

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.