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Finding the Fourth Proportional to 278,868.32, 418,117.56 and 101,354.24

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Solution

The fourth proportional to 278,868.32, 418,117.56 and 101,354.24 is: 151,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,868.32 : 418,117.56 = 101,354.24 : x
  2. Step 2: Convert to fraction form
    278,868.32/418,117.56 = 101,354.24/x
  3. Step 3: Cross multiply
    278,868.32x = 418,117.56 × 101,354.24
  4. Step 4: Simplify right side
    278,868.32x = 42,377,987,524.45
  5. Step 5: Solve for x
    x = 42,377,987,524.45/278,868.32
  6. Step 6: Final answer
    x = 151,964.15

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