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Finding the Fourth Proportional to 361,973.40, 499,545.93 and 209,039.55

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Solution

The fourth proportional to 361,973.40, 499,545.93 and 209,039.55 is: 288,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,973.40 : 499,545.93 = 209,039.55 : x
  2. Step 2: Convert to fraction form
    361,973.40/499,545.93 = 209,039.55/x
  3. Step 3: Cross multiply
    361,973.40x = 499,545.93 × 209,039.55
  4. Step 4: Simplify right side
    361,973.40x = 104,424,856,411.53
  5. Step 5: Solve for x
    x = 104,424,856,411.53/361,973.40
  6. Step 6: Final answer
    x = 288,487.65

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