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Finding the Fourth Proportional to 298,750.80, 412,142.76 and 201,923.76

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Solution

The fourth proportional to 298,750.80, 412,142.76 and 201,923.76 is: 278,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,750.80 : 412,142.76 = 201,923.76 : x
  2. Step 2: Convert to fraction form
    298,750.80/412,142.76 = 201,923.76/x
  3. Step 3: Cross multiply
    298,750.80x = 412,142.76 × 201,923.76
  4. Step 4: Simplify right side
    298,750.80x = 83,221,415,755.98
  5. Step 5: Solve for x
    x = 83,221,415,755.98/298,750.80
  6. Step 6: Final answer
    x = 278,564.66

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