Home / 330,240.69-455,871.66-222,956.04

Finding the Fourth Proportional to 330,240.69, 455,871.66 and 222,956.04

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Solution

The fourth proportional to 330,240.69, 455,871.66 and 222,956.04 is: 307,773.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,240.69 : 455,871.66 = 222,956.04 : x
  2. Step 2: Convert to fraction form
    330,240.69/455,871.66 = 222,956.04/x
  3. Step 3: Cross multiply
    330,240.69x = 455,871.66 × 222,956.04
  4. Step 4: Simplify right side
    330,240.69x = 101,639,340,061.83
  5. Step 5: Solve for x
    x = 101,639,340,061.83/330,240.69
  6. Step 6: Final answer
    x = 307,773.52

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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.