Home / 366,979.40-550,469.10-247,405.18

Finding the Fourth Proportional to 366,979.40, 550,469.10 and 247,405.18

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Solution

The fourth proportional to 366,979.40, 550,469.10 and 247,405.18 is: 371,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,979.40 : 550,469.10 = 247,405.18 : x
  2. Step 2: Convert to fraction form
    366,979.40/550,469.10 = 247,405.18/x
  3. Step 3: Cross multiply
    366,979.40x = 550,469.10 × 247,405.18
  4. Step 4: Simplify right side
    366,979.40x = 136,188,906,769.94
  5. Step 5: Solve for x
    x = 136,188,906,769.94/366,979.40
  6. Step 6: Final answer
    x = 371,107.77

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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.