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Finding the Fourth Proportional to 383,614.80, 575,422.20 and 99,304.80

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Solution

The fourth proportional to 383,614.80, 575,422.20 and 99,304.80 is: 148,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,614.80 : 575,422.20 = 99,304.80 : x
  2. Step 2: Convert to fraction form
    383,614.80/575,422.20 = 99,304.80/x
  3. Step 3: Cross multiply
    383,614.80x = 575,422.20 × 99,304.80
  4. Step 4: Simplify right side
    383,614.80x = 57,142,186,486.56
  5. Step 5: Solve for x
    x = 57,142,186,486.56/383,614.80
  6. Step 6: Final answer
    x = 148,957.20

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