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Finding the Fourth Proportional to 357,909.12, 536,469.99 and 147,432.24

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Solution

The fourth proportional to 357,909.12, 536,469.99 and 147,432.24 is: 220,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,909.12 : 536,469.99 = 147,432.24 : x
  2. Step 2: Convert to fraction form
    357,909.12/536,469.99 = 147,432.24/x
  3. Step 3: Cross multiply
    357,909.12x = 536,469.99 × 147,432.24
  4. Step 4: Simplify right side
    357,909.12x = 79,092,972,318.48
  5. Step 5: Solve for x
    x = 79,092,972,318.48/357,909.12
  6. Step 6: Final answer
    x = 220,986.19

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