Home / 275,288.28-412,653.60-186,550.80

Finding the Fourth Proportional to 275,288.28, 412,653.60 and 186,550.80

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Solution

The fourth proportional to 275,288.28, 412,653.60 and 186,550.80 is: 279,637.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,288.28 : 412,653.60 = 186,550.80 : x
  2. Step 2: Convert to fraction form
    275,288.28/412,653.60 = 186,550.80/x
  3. Step 3: Cross multiply
    275,288.28x = 412,653.60 × 186,550.80
  4. Step 4: Simplify right side
    275,288.28x = 76,980,859,202.88
  5. Step 5: Solve for x
    x = 76,980,859,202.88/275,288.28
  6. Step 6: Final answer
    x = 279,637.26

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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.