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Finding the Fourth Proportional to 437,747.85, 603,989.15 and 265,662

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Solution

The fourth proportional to 437,747.85, 603,989.15 and 265,662 is: 366,551.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,747.85 : 603,989.15 = 265,662 : x
  2. Step 2: Convert to fraction form
    437,747.85/603,989.15 = 265,662/x
  3. Step 3: Cross multiply
    437,747.85x = 603,989.15 × 265,662
  4. Step 4: Simplify right side
    437,747.85x = 160,456,964,238.99
  5. Step 5: Solve for x
    x = 160,456,964,238.99/437,747.85
  6. Step 6: Final answer
    x = 366,551.12

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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.