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Finding the Fourth Proportional to 608,678.94, 912,840.03 and 229,326

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Solution

The fourth proportional to 608,678.94, 912,840.03 and 229,326 is: 343,921.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,678.94 : 912,840.03 = 229,326 : x
  2. Step 2: Convert to fraction form
    608,678.94/912,840.03 = 229,326/x
  3. Step 3: Cross multiply
    608,678.94x = 912,840.03 × 229,326
  4. Step 4: Simplify right side
    608,678.94x = 209,337,952,719.78
  5. Step 5: Solve for x
    x = 209,337,952,719.78/608,678.94
  6. Step 6: Final answer
    x = 343,921.79

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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.