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Finding the Fourth Proportional to 366,388.56, 505,607.40 and 205,250.40

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Solution

The fourth proportional to 366,388.56, 505,607.40 and 205,250.40 is: 283,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,388.56 : 505,607.40 = 205,250.40 : x
  2. Step 2: Convert to fraction form
    366,388.56/505,607.40 = 205,250.40/x
  3. Step 3: Cross multiply
    366,388.56x = 505,607.40 × 205,250.40
  4. Step 4: Simplify right side
    366,388.56x = 103,776,121,092.96
  5. Step 5: Solve for x
    x = 103,776,121,092.96/366,388.56
  6. Step 6: Final answer
    x = 283,240.62

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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.