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Finding the Fourth Proportional to 357,724.34, 493,166.26 and 285,372.75

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Solution

The fourth proportional to 357,724.34, 493,166.26 and 285,372.75 is: 393,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,724.34 : 493,166.26 = 285,372.75 : x
  2. Step 2: Convert to fraction form
    357,724.34/493,166.26 = 285,372.75/x
  3. Step 3: Cross multiply
    357,724.34x = 493,166.26 × 285,372.75
  4. Step 4: Simplify right side
    357,724.34x = 140,736,211,823.42
  5. Step 5: Solve for x
    x = 140,736,211,823.42/357,724.34
  6. Step 6: Final answer
    x = 393,420.84

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