Home / 274,828.40-379,448.20-171,619.84

Finding the Fourth Proportional to 274,828.40, 379,448.20 and 171,619.84

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Solution

The fourth proportional to 274,828.40, 379,448.20 and 171,619.84 is: 236,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,828.40 : 379,448.20 = 171,619.84 : x
  2. Step 2: Convert to fraction form
    274,828.40/379,448.20 = 171,619.84/x
  3. Step 3: Cross multiply
    274,828.40x = 379,448.20 × 171,619.84
  4. Step 4: Simplify right side
    274,828.40x = 65,120,839,372.29
  5. Step 5: Solve for x
    x = 65,120,839,372.29/274,828.40
  6. Step 6: Final answer
    x = 236,950.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.