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Finding the Fourth Proportional to 608,658.94, 912,810.03 and 229,305.97

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Solution

The fourth proportional to 608,658.94, 912,810.03 and 229,305.97 is: 343,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,658.94 : 912,810.03 = 229,305.97 : x
  2. Step 2: Convert to fraction form
    608,658.94/912,810.03 = 229,305.97/x
  3. Step 3: Cross multiply
    608,658.94x = 912,810.03 × 229,305.97
  4. Step 4: Simplify right side
    608,658.94x = 209,312,789,354.88
  5. Step 5: Solve for x
    x = 209,312,789,354.88/608,658.94
  6. Step 6: Final answer
    x = 343,891.75

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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.