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Finding the Fourth Proportional to 275,605.60, 413,408.40 and 228,949.60

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Solution

The fourth proportional to 275,605.60, 413,408.40 and 228,949.60 is: 343,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,605.60 : 413,408.40 = 228,949.60 : x
  2. Step 2: Convert to fraction form
    275,605.60/413,408.40 = 228,949.60/x
  3. Step 3: Cross multiply
    275,605.60x = 413,408.40 × 228,949.60
  4. Step 4: Simplify right side
    275,605.60x = 94,649,687,816.64
  5. Step 5: Solve for x
    x = 94,649,687,816.64/275,605.60
  6. Step 6: Final answer
    x = 343,424.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.