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Finding the Fourth Proportional to 362,314.80, 542,435.40 and 222,346.80

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Solution

The fourth proportional to 362,314.80, 542,435.40 and 222,346.80 is: 332,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,314.80 : 542,435.40 = 222,346.80 : x
  2. Step 2: Convert to fraction form
    362,314.80/542,435.40 = 222,346.80/x
  3. Step 3: Cross multiply
    362,314.80x = 542,435.40 × 222,346.80
  4. Step 4: Simplify right side
    362,314.80x = 120,608,775,396.72
  5. Step 5: Solve for x
    x = 120,608,775,396.72/362,314.80
  6. Step 6: Final answer
    x = 332,883.93

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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.