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Finding the Fourth Proportional to 366,175.80, 505,278.36 and 205,018.20

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Solution

The fourth proportional to 366,175.80, 505,278.36 and 205,018.20 is: 282,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,175.80 : 505,278.36 = 205,018.20 : x
  2. Step 2: Convert to fraction form
    366,175.80/505,278.36 = 205,018.20/x
  3. Step 3: Cross multiply
    366,175.80x = 505,278.36 × 205,018.20
  4. Step 4: Simplify right side
    366,175.80x = 103,591,259,866.15
  5. Step 5: Solve for x
    x = 103,591,259,866.15/366,175.80
  6. Step 6: Final answer
    x = 282,900.34

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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.