Home / 335,787.40-503,243.70-135,944.20

Finding the Fourth Proportional to 335,787.40, 503,243.70 and 135,944.20

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Solution

The fourth proportional to 335,787.40, 503,243.70 and 135,944.20 is: 203,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,787.40 : 503,243.70 = 135,944.20 : x
  2. Step 2: Convert to fraction form
    335,787.40/503,243.70 = 135,944.20/x
  3. Step 3: Cross multiply
    335,787.40x = 503,243.70 × 135,944.20
  4. Step 4: Simplify right side
    335,787.40x = 68,413,062,201.54
  5. Step 5: Solve for x
    x = 68,413,062,201.54/335,787.40
  6. Step 6: Final answer
    x = 203,739.22

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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.