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Finding the Fourth Proportional to 243,101.52, 335,496.95 and 135,692.49

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Solution

The fourth proportional to 243,101.52, 335,496.95 and 135,692.49 is: 187,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,101.52 : 335,496.95 = 135,692.49 : x
  2. Step 2: Convert to fraction form
    243,101.52/335,496.95 = 135,692.49/x
  3. Step 3: Cross multiply
    243,101.52x = 335,496.95 × 135,692.49
  4. Step 4: Simplify right side
    243,101.52x = 45,524,415,854.44
  5. Step 5: Solve for x
    x = 45,524,415,854.44/243,101.52
  6. Step 6: Final answer
    x = 187,265.04

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1.5x scale

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.