Home / 330,280.84-455,926.74-222,996.04

Finding the Fourth Proportional to 330,280.84, 455,926.74 and 222,996.04

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Solution

The fourth proportional to 330,280.84, 455,926.74 and 222,996.04 is: 307,828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,280.84 : 455,926.74 = 222,996.04 : x
  2. Step 2: Convert to fraction form
    330,280.84/455,926.74 = 222,996.04/x
  3. Step 3: Cross multiply
    330,280.84x = 455,926.74 × 222,996.04
  4. Step 4: Simplify right side
    330,280.84x = 101,669,857,550.11
  5. Step 5: Solve for x
    x = 101,669,857,550.11/330,280.84
  6. Step 6: Final answer
    x = 307,828.51

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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.