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Finding the Fourth Proportional to 603,286.16, 905,045.88 and 229,280

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Solution

The fourth proportional to 603,286.16, 905,045.88 and 229,280 is: 343,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,286.16 : 905,045.88 = 229,280 : x
  2. Step 2: Convert to fraction form
    603,286.16/905,045.88 = 229,280/x
  3. Step 3: Cross multiply
    603,286.16x = 905,045.88 × 229,280
  4. Step 4: Simplify right side
    603,286.16x = 207,508,919,366.40
  5. Step 5: Solve for x
    x = 207,508,919,366.40/603,286.16
  6. Step 6: Final answer
    x = 343,964.33

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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.