Home / 418,020.46-626,870.24-177,982.18

Finding the Fourth Proportional to 418,020.46, 626,870.24 and 177,982.18

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Solution

The fourth proportional to 418,020.46, 626,870.24 and 177,982.18 is: 266,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,020.46 : 626,870.24 = 177,982.18 : x
  2. Step 2: Convert to fraction form
    418,020.46/626,870.24 = 177,982.18/x
  3. Step 3: Cross multiply
    418,020.46x = 626,870.24 × 177,982.18
  4. Step 4: Simplify right side
    418,020.46x = 111,571,727,868.06
  5. Step 5: Solve for x
    x = 111,571,727,868.06/418,020.46
  6. Step 6: Final answer
    x = 266,904.94

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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.