Home / 397,739.77-548,893.23-225,664.96

Finding the Fourth Proportional to 397,739.77, 548,893.23 and 225,664.96

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Solution

The fourth proportional to 397,739.77, 548,893.23 and 225,664.96 is: 311,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,739.77 : 548,893.23 = 225,664.96 : x
  2. Step 2: Convert to fraction form
    397,739.77/548,893.23 = 225,664.96/x
  3. Step 3: Cross multiply
    397,739.77x = 548,893.23 × 225,664.96
  4. Step 4: Simplify right side
    397,739.77x = 123,865,968,792.22
  5. Step 5: Solve for x
    x = 123,865,968,792.22/397,739.77
  6. Step 6: Final answer
    x = 311,424.65

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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.