Home / 408,629.18-563,914.77-227,343.22

Finding the Fourth Proportional to 408,629.18, 563,914.77 and 227,343.22

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Solution

The fourth proportional to 408,629.18, 563,914.77 and 227,343.22 is: 313,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,629.18 : 563,914.77 = 227,343.22 : x
  2. Step 2: Convert to fraction form
    408,629.18/563,914.77 = 227,343.22/x
  3. Step 3: Cross multiply
    408,629.18x = 563,914.77 × 227,343.22
  4. Step 4: Simplify right side
    408,629.18x = 128,202,199,617.36
  5. Step 5: Solve for x
    x = 128,202,199,617.36/408,629.18
  6. Step 6: Final answer
    x = 313,737.26

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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.