Home / 444,976.96-666,998.88-208,120

Finding the Fourth Proportional to 444,976.96, 666,998.88 and 208,120

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Solution

The fourth proportional to 444,976.96, 666,998.88 and 208,120 is: 311,961.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,976.96 : 666,998.88 = 208,120 : x
  2. Step 2: Convert to fraction form
    444,976.96/666,998.88 = 208,120/x
  3. Step 3: Cross multiply
    444,976.96x = 666,998.88 × 208,120
  4. Step 4: Simplify right side
    444,976.96x = 138,815,806,905.60
  5. Step 5: Solve for x
    x = 138,815,806,905.60/444,976.96
  6. Step 6: Final answer
    x = 311,961.79

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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.