Home / 243,381.49-335,648.26-202,680.39

Finding the Fourth Proportional to 243,381.49, 335,648.26 and 202,680.39

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Solution

The fourth proportional to 243,381.49, 335,648.26 and 202,680.39 is: 279,517.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,381.49 : 335,648.26 = 202,680.39 : x
  2. Step 2: Convert to fraction form
    243,381.49/335,648.26 = 202,680.39/x
  3. Step 3: Cross multiply
    243,381.49x = 335,648.26 × 202,680.39
  4. Step 4: Simplify right side
    243,381.49x = 68,029,320,239.62
  5. Step 5: Solve for x
    x = 68,029,320,239.62/243,381.49
  6. Step 6: Final answer
    x = 279,517.23

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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.