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Finding the Fourth Proportional to 243,249.35, 335,700.59 and 135,817.07

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Solution

The fourth proportional to 243,249.35, 335,700.59 and 135,817.07 is: 187,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,249.35 : 335,700.59 = 135,817.07 : x
  2. Step 2: Convert to fraction form
    243,249.35/335,700.59 = 135,817.07/x
  3. Step 3: Cross multiply
    243,249.35x = 335,700.59 × 135,817.07
  4. Step 4: Simplify right side
    243,249.35x = 45,593,868,173.48
  5. Step 5: Solve for x
    x = 45,593,868,173.48/243,249.35
  6. Step 6: Final answer
    x = 187,436.76

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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.