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Finding the Fourth Proportional to 603,286.04, 905,045.69 and 229,279.88

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Solution

The fourth proportional to 603,286.04, 905,045.69 and 229,279.88 is: 343,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,286.04 : 905,045.69 = 229,279.88 : x
  2. Step 2: Convert to fraction form
    603,286.04/905,045.69 = 229,279.88/x
  3. Step 3: Cross multiply
    603,286.04x = 905,045.69 × 229,279.88
  4. Step 4: Simplify right side
    603,286.04x = 207,508,763,245.69
  5. Step 5: Solve for x
    x = 207,508,763,245.69/603,286.04
  6. Step 6: Final answer
    x = 343,964.14

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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.