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Finding the Fourth Proportional to 603,381.92, 905,189.52 and 229,375.76

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Solution

The fourth proportional to 603,381.92, 905,189.52 and 229,375.76 is: 344,107.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,381.92 : 905,189.52 = 229,375.76 : x
  2. Step 2: Convert to fraction form
    603,381.92/905,189.52 = 229,375.76/x
  3. Step 3: Cross multiply
    603,381.92x = 905,189.52 × 229,375.76
  4. Step 4: Simplify right side
    603,381.92x = 207,628,534,094.04
  5. Step 5: Solve for x
    x = 207,628,534,094.04/603,381.92
  6. Step 6: Final answer
    x = 344,107.98

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Why These Related Problems?

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