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Finding the Fourth Proportional to 243,552.32, 335,883.80 and 202,851.56

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Solution

The fourth proportional to 243,552.32, 335,883.80 and 202,851.56 is: 279,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,552.32 : 335,883.80 = 202,851.56 : x
  2. Step 2: Convert to fraction form
    243,552.32/335,883.80 = 202,851.56/x
  3. Step 3: Cross multiply
    243,552.32x = 335,883.80 × 202,851.56
  4. Step 4: Simplify right side
    243,552.32x = 68,134,552,808.73
  5. Step 5: Solve for x
    x = 68,134,552,808.73/243,552.32
  6. Step 6: Final answer
    x = 279,753.25

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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.