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Finding the Fourth Proportional to 341,505.80, 512,258.70 and 144,488.20

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Solution

The fourth proportional to 341,505.80, 512,258.70 and 144,488.20 is: 216,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,505.80 : 512,258.70 = 144,488.20 : x
  2. Step 2: Convert to fraction form
    341,505.80/512,258.70 = 144,488.20/x
  3. Step 3: Cross multiply
    341,505.80x = 512,258.70 × 144,488.20
  4. Step 4: Simplify right side
    341,505.80x = 74,015,337,497.34
  5. Step 5: Solve for x
    x = 74,015,337,497.34/341,505.80
  6. Step 6: Final answer
    x = 216,732.30

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