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Finding the Fourth Proportional to 437,571.90, 603,849.60 and 236,367.90

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Solution

The fourth proportional to 437,571.90, 603,849.60 and 236,367.90 is: 326,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,571.90 : 603,849.60 = 236,367.90 : x
  2. Step 2: Convert to fraction form
    437,571.90/603,849.60 = 236,367.90/x
  3. Step 3: Cross multiply
    437,571.90x = 603,849.60 × 236,367.90
  4. Step 4: Simplify right side
    437,571.90x = 142,730,661,867.84
  5. Step 5: Solve for x
    x = 142,730,661,867.84/437,571.90
  6. Step 6: Final answer
    x = 326,187.91

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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.