Home / 278,262.14-416,833.46-210,909.36

Finding the Fourth Proportional to 278,262.14, 416,833.46 and 210,909.36

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Solution

The fourth proportional to 278,262.14, 416,833.46 and 210,909.36 is: 315,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,262.14 : 416,833.46 = 210,909.36 : x
  2. Step 2: Convert to fraction form
    278,262.14/416,833.46 = 210,909.36/x
  3. Step 3: Cross multiply
    278,262.14x = 416,833.46 × 210,909.36
  4. Step 4: Simplify right side
    278,262.14x = 87,914,077,220.64
  5. Step 5: Solve for x
    x = 87,914,077,220.64/278,262.14
  6. Step 6: Final answer
    x = 315,939.78

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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.