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Finding the Fourth Proportional to 243,862.32, 336,307.67 and 209,396.29

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Solution

The fourth proportional to 243,862.32, 336,307.67 and 209,396.29 is: 288,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,862.32 : 336,307.67 = 209,396.29 : x
  2. Step 2: Convert to fraction form
    243,862.32/336,307.67 = 209,396.29/x
  3. Step 3: Cross multiply
    243,862.32x = 336,307.67 × 209,396.29
  4. Step 4: Simplify right side
    243,862.32x = 70,421,578,513.53
  5. Step 5: Solve for x
    x = 70,421,578,513.53/243,862.32
  6. Step 6: Final answer
    x = 288,775.97

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