Home / 243,743.88-335,664.86-200,908.76

Finding the Fourth Proportional to 243,743.88, 335,664.86 and 200,908.76

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Solution

The fourth proportional to 243,743.88, 335,664.86 and 200,908.76 is: 276,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,743.88 : 335,664.86 = 200,908.76 : x
  2. Step 2: Convert to fraction form
    243,743.88/335,664.86 = 200,908.76/x
  3. Step 3: Cross multiply
    243,743.88x = 335,664.86 × 200,908.76
  4. Step 4: Simplify right side
    243,743.88x = 67,438,009,245.42
  5. Step 5: Solve for x
    x = 67,438,009,245.42/243,743.88
  6. Step 6: Final answer
    x = 276,675.70

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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.