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Finding the Fourth Proportional to 348,049.20, 486,087.90 and 348,049.20

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Solution

The fourth proportional to 348,049.20, 486,087.90 and 348,049.20 is: 486,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,049.20 : 486,087.90 = 348,049.20 : x
  2. Step 2: Convert to fraction form
    348,049.20/486,087.90 = 348,049.20/x
  3. Step 3: Cross multiply
    348,049.20x = 486,087.90 × 348,049.20
  4. Step 4: Simplify right side
    348,049.20x = 169,182,504,724.68
  5. Step 5: Solve for x
    x = 169,182,504,724.68/348,049.20
  6. Step 6: Final answer
    x = 486,087.90

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.