Home / 303,945.40-456,177.30-135,724.60

Finding the Fourth Proportional to 303,945.40, 456,177.30 and 135,724.60

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Solution

The fourth proportional to 303,945.40, 456,177.30 and 135,724.60 is: 203,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,945.40 : 456,177.30 = 135,724.60 : x
  2. Step 2: Convert to fraction form
    303,945.40/456,177.30 = 135,724.60/x
  3. Step 3: Cross multiply
    303,945.40x = 456,177.30 × 135,724.60
  4. Step 4: Simplify right side
    303,945.40x = 61,914,481,571.58
  5. Step 5: Solve for x
    x = 61,914,481,571.58/303,945.40
  6. Step 6: Final answer
    x = 203,702.64

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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.