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Finding the Fourth Proportional to 239,718.40, 359,016.96 and 189,461.20

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Solution

The fourth proportional to 239,718.40, 359,016.96 and 189,461.20 is: 283,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,718.40 : 359,016.96 = 189,461.20 : x
  2. Step 2: Convert to fraction form
    239,718.40/359,016.96 = 189,461.20/x
  3. Step 3: Cross multiply
    239,718.40x = 359,016.96 × 189,461.20
  4. Step 4: Simplify right side
    239,718.40x = 68,019,784,061.95
  5. Step 5: Solve for x
    x = 68,019,784,061.95/239,718.40
  6. Step 6: Final answer
    x = 283,748.70

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