Home / 243,255.36-335,692.26-135,825.33

Finding the Fourth Proportional to 243,255.36, 335,692.26 and 135,825.33

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Solution

The fourth proportional to 243,255.36, 335,692.26 and 135,825.33 is: 187,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,255.36 : 335,692.26 = 135,825.33 : x
  2. Step 2: Convert to fraction form
    243,255.36/335,692.26 = 135,825.33/x
  3. Step 3: Cross multiply
    243,255.36x = 335,692.26 × 135,825.33
  4. Step 4: Simplify right side
    243,255.36x = 45,595,511,992.95
  5. Step 5: Solve for x
    x = 45,595,511,992.95/243,255.36
  6. Step 6: Final answer
    x = 187,438.88

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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.