Home / 351,864.07-485,624.30-222,814.33

Finding the Fourth Proportional to 351,864.07, 485,624.30 and 222,814.33

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Solution

The fourth proportional to 351,864.07, 485,624.30 and 222,814.33 is: 307,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,864.07 : 485,624.30 = 222,814.33 : x
  2. Step 2: Convert to fraction form
    351,864.07/485,624.30 = 222,814.33/x
  3. Step 3: Cross multiply
    351,864.07x = 485,624.30 × 222,814.33
  4. Step 4: Simplify right side
    351,864.07x = 108,204,052,379.19
  5. Step 5: Solve for x
    x = 108,204,052,379.19/351,864.07
  6. Step 6: Final answer
    x = 307,516.63

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1.5x scale

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.