Home / 418,028.65-626,882.49-177,990.36

Finding the Fourth Proportional to 418,028.65, 626,882.49 and 177,990.36

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Solution

The fourth proportional to 418,028.65, 626,882.49 and 177,990.36 is: 266,917.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,028.65 : 626,882.49 = 177,990.36 : x
  2. Step 2: Convert to fraction form
    418,028.65/626,882.49 = 177,990.36/x
  3. Step 3: Cross multiply
    418,028.65x = 626,882.49 × 177,990.36
  4. Step 4: Simplify right side
    418,028.65x = 111,579,041,248.20
  5. Step 5: Solve for x
    x = 111,579,041,248.20/418,028.65
  6. Step 6: Final answer
    x = 266,917.21

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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.