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Finding the Fourth Proportional to 361,586, 498,988.68 and 210,683

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Solution

The fourth proportional to 361,586, 498,988.68 and 210,683 is: 290,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,586 : 498,988.68 = 210,683 : x
  2. Step 2: Convert to fraction form
    361,586/498,988.68 = 210,683/x
  3. Step 3: Cross multiply
    361,586x = 498,988.68 × 210,683
  4. Step 4: Simplify right side
    361,586x = 105,128,432,068.44
  5. Step 5: Solve for x
    x = 105,128,432,068.44/361,586
  6. Step 6: Final answer
    x = 290,742.54

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