Home / 274,972.65-411,926.94-154,664.11

Finding the Fourth Proportional to 274,972.65, 411,926.94 and 154,664.11

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Solution

The fourth proportional to 274,972.65, 411,926.94 and 154,664.11 is: 231,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,972.65 : 411,926.94 = 154,664.11 : x
  2. Step 2: Convert to fraction form
    274,972.65/411,926.94 = 154,664.11/x
  3. Step 3: Cross multiply
    274,972.65x = 411,926.94 × 154,664.11
  4. Step 4: Simplify right side
    274,972.65x = 63,710,313,560.12
  5. Step 5: Solve for x
    x = 63,710,313,560.12/274,972.65
  6. Step 6: Final answer
    x = 231,696.91

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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.