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Finding the Fourth Proportional to 402,724.30, 604,044.84 and 136,477.90

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Solution

The fourth proportional to 402,724.30, 604,044.84 and 136,477.90 is: 204,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,724.30 : 604,044.84 = 136,477.90 : x
  2. Step 2: Convert to fraction form
    402,724.30/604,044.84 = 136,477.90/x
  3. Step 3: Cross multiply
    402,724.30x = 604,044.84 × 136,477.90
  4. Step 4: Simplify right side
    402,724.30x = 82,438,771,269.04
  5. Step 5: Solve for x
    x = 82,438,771,269.04/402,724.30
  6. Step 6: Final answer
    x = 204,702.75

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