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Finding the Fourth Proportional to 402,150.60, 603,686.70 and 236,032.20

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Solution

The fourth proportional to 402,150.60, 603,686.70 and 236,032.20 is: 354,318.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,150.60 : 603,686.70 = 236,032.20 : x
  2. Step 2: Convert to fraction form
    402,150.60/603,686.70 = 236,032.20/x
  3. Step 3: Cross multiply
    402,150.60x = 603,686.70 × 236,032.20
  4. Step 4: Simplify right side
    402,150.60x = 142,489,499,911.74
  5. Step 5: Solve for x
    x = 142,489,499,911.74/402,150.60
  6. Step 6: Final answer
    x = 354,318.75

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