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Finding the Fourth Proportional to 306,591.82, 459,887.85 and 137,915.08

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Solution

The fourth proportional to 306,591.82, 459,887.85 and 137,915.08 is: 206,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,591.82 : 459,887.85 = 137,915.08 : x
  2. Step 2: Convert to fraction form
    306,591.82/459,887.85 = 137,915.08/x
  3. Step 3: Cross multiply
    306,591.82x = 459,887.85 × 137,915.08
  4. Step 4: Simplify right side
    306,591.82x = 63,425,468,474.06
  5. Step 5: Solve for x
    x = 63,425,468,474.06/306,591.82
  6. Step 6: Final answer
    x = 206,872.67

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