Home / 444,869.20-666,986.82-208,082.80

Finding the Fourth Proportional to 444,869.20, 666,986.82 and 208,082.80

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Solution

The fourth proportional to 444,869.20, 666,986.82 and 208,082.80 is: 311,975.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,869.20 : 666,986.82 = 208,082.80 : x
  2. Step 2: Convert to fraction form
    444,869.20/666,986.82 = 208,082.80/x
  3. Step 3: Cross multiply
    444,869.20x = 666,986.82 × 208,082.80
  4. Step 4: Simplify right side
    444,869.20x = 138,788,485,068.70
  5. Step 5: Solve for x
    x = 138,788,485,068.70/444,869.20
  6. Step 6: Final answer
    x = 311,975.94

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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.