Home / 260,046.30-389,632.05-222,429.90

Finding the Fourth Proportional to 260,046.30, 389,632.05 and 222,429.90

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Solution

The fourth proportional to 260,046.30, 389,632.05 and 222,429.90 is: 333,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,046.30 : 389,632.05 = 222,429.90 : x
  2. Step 2: Convert to fraction form
    260,046.30/389,632.05 = 222,429.90/x
  3. Step 3: Cross multiply
    260,046.30x = 389,632.05 × 222,429.90
  4. Step 4: Simplify right side
    260,046.30x = 86,665,817,918.30
  5. Step 5: Solve for x
    x = 86,665,817,918.30/260,046.30
  6. Step 6: Final answer
    x = 333,270.72

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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.