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Finding the Fourth Proportional to 348,249.60, 480,687.12 and 227,409.78

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Solution

The fourth proportional to 348,249.60, 480,687.12 and 227,409.78 is: 313,892.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,249.60 : 480,687.12 = 227,409.78 : x
  2. Step 2: Convert to fraction form
    348,249.60/480,687.12 = 227,409.78/x
  3. Step 3: Cross multiply
    348,249.60x = 480,687.12 × 227,409.78
  4. Step 4: Simplify right side
    348,249.60x = 109,312,952,208.03
  5. Step 5: Solve for x
    x = 109,312,952,208.03/348,249.60
  6. Step 6: Final answer
    x = 313,892.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.