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Finding the Fourth Proportional to 421,683.67, 632,119.55 and 155,298.87

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Solution

The fourth proportional to 421,683.67, 632,119.55 and 155,298.87 is: 232,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,683.67 : 632,119.55 = 155,298.87 : x
  2. Step 2: Convert to fraction form
    421,683.67/632,119.55 = 155,298.87/x
  3. Step 3: Cross multiply
    421,683.67x = 632,119.55 × 155,298.87
  4. Step 4: Simplify right side
    421,683.67x = 98,167,451,043.41
  5. Step 5: Solve for x
    x = 98,167,451,043.41/421,683.67
  6. Step 6: Final answer
    x = 232,798.80

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