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Finding the Fourth Proportional to 409,920.60, 614,967.30 and 173,141.40

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Solution

The fourth proportional to 409,920.60, 614,967.30 and 173,141.40 is: 259,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,920.60 : 614,967.30 = 173,141.40 : x
  2. Step 2: Convert to fraction form
    409,920.60/614,967.30 = 173,141.40/x
  3. Step 3: Cross multiply
    409,920.60x = 614,967.30 × 173,141.40
  4. Step 4: Simplify right side
    409,920.60x = 106,476,299,276.22
  5. Step 5: Solve for x
    x = 106,476,299,276.22/409,920.60
  6. Step 6: Final answer
    x = 259,748.59

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