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Finding the Fourth Proportional to 304,865.70, 457,298.55 and 83,249.70

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Solution

The fourth proportional to 304,865.70, 457,298.55 and 83,249.70 is: 124,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,865.70 : 457,298.55 = 83,249.70 : x
  2. Step 2: Convert to fraction form
    304,865.70/457,298.55 = 83,249.70/x
  3. Step 3: Cross multiply
    304,865.70x = 457,298.55 × 83,249.70
  4. Step 4: Simplify right side
    304,865.70x = 38,069,967,097.94
  5. Step 5: Solve for x
    x = 38,069,967,097.94/304,865.70
  6. Step 6: Final answer
    x = 124,874.55

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