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Finding the Fourth Proportional to 366,356.51, 505,588.11 and 203,012.57

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Solution

The fourth proportional to 366,356.51, 505,588.11 and 203,012.57 is: 280,166.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,356.51 : 505,588.11 = 203,012.57 : x
  2. Step 2: Convert to fraction form
    366,356.51/505,588.11 = 203,012.57/x
  3. Step 3: Cross multiply
    366,356.51x = 505,588.11 × 203,012.57
  4. Step 4: Simplify right side
    366,356.51x = 102,640,741,795.20
  5. Step 5: Solve for x
    x = 102,640,741,795.20/366,356.51
  6. Step 6: Final answer
    x = 280,166.29

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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.