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Finding the Fourth Proportional to 322,431.63, 482,909.80 and 154,070.30

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Solution

The fourth proportional to 322,431.63, 482,909.80 and 154,070.30 is: 230,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,431.63 : 482,909.80 = 154,070.30 : x
  2. Step 2: Convert to fraction form
    322,431.63/482,909.80 = 154,070.30/x
  3. Step 3: Cross multiply
    322,431.63x = 482,909.80 × 154,070.30
  4. Step 4: Simplify right side
    322,431.63x = 74,402,057,758.94
  5. Step 5: Solve for x
    x = 74,402,057,758.94/322,431.63
  6. Step 6: Final answer
    x = 230,752.97

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