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Finding the Fourth Proportional to 268,305.80, 402,458.70 and 173,827.40

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Solution

The fourth proportional to 268,305.80, 402,458.70 and 173,827.40 is: 260,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,305.80 : 402,458.70 = 173,827.40 : x
  2. Step 2: Convert to fraction form
    268,305.80/402,458.70 = 173,827.40/x
  3. Step 3: Cross multiply
    268,305.80x = 402,458.70 × 173,827.40
  4. Step 4: Simplify right side
    268,305.80x = 69,958,349,428.38
  5. Step 5: Solve for x
    x = 69,958,349,428.38/268,305.80
  6. Step 6: Final answer
    x = 260,741.10

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