Home / 417,974.28-626,763.77-161,926.80

Finding the Fourth Proportional to 417,974.28, 626,763.77 and 161,926.80

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Solution

The fourth proportional to 417,974.28, 626,763.77 and 161,926.80 is: 242,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,974.28 : 626,763.77 = 161,926.80 : x
  2. Step 2: Convert to fraction form
    417,974.28/626,763.77 = 161,926.80/x
  3. Step 3: Cross multiply
    417,974.28x = 626,763.77 × 161,926.80
  4. Step 4: Simplify right side
    417,974.28x = 101,489,851,632.04
  5. Step 5: Solve for x
    x = 101,489,851,632.04/417,974.28
  6. Step 6: Final answer
    x = 242,813.63

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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.