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Finding the Fourth Proportional to 608,400.32, 911,956.94 and 229,156.97

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Solution

The fourth proportional to 608,400.32, 911,956.94 and 229,156.97 is: 343,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,400.32 : 911,956.94 = 229,156.97 : x
  2. Step 2: Convert to fraction form
    608,400.32/911,956.94 = 229,156.97/x
  3. Step 3: Cross multiply
    608,400.32x = 911,956.94 × 229,156.97
  4. Step 4: Simplify right side
    608,400.32x = 208,981,290,274.98
  5. Step 5: Solve for x
    x = 208,981,290,274.98/608,400.32
  6. Step 6: Final answer
    x = 343,493.06

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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.