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Finding the Fourth Proportional to 205,113.20, 307,669.80 and 177,465.20

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Solution

The fourth proportional to 205,113.20, 307,669.80 and 177,465.20 is: 266,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,113.20 : 307,669.80 = 177,465.20 : x
  2. Step 2: Convert to fraction form
    205,113.20/307,669.80 = 177,465.20/x
  3. Step 3: Cross multiply
    205,113.20x = 307,669.80 × 177,465.20
  4. Step 4: Simplify right side
    205,113.20x = 54,600,682,590.96
  5. Step 5: Solve for x
    x = 54,600,682,590.96/205,113.20
  6. Step 6: Final answer
    x = 266,197.80

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