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Finding the Fourth Proportional to 383,444.28, 529,156.83 and 211,368.96

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Solution

The fourth proportional to 383,444.28, 529,156.83 and 211,368.96 is: 291,691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,444.28 : 529,156.83 = 211,368.96 : x
  2. Step 2: Convert to fraction form
    383,444.28/529,156.83 = 211,368.96/x
  3. Step 3: Cross multiply
    383,444.28x = 529,156.83 × 211,368.96
  4. Step 4: Simplify right side
    383,444.28x = 111,847,328,834.00
  5. Step 5: Solve for x
    x = 111,847,328,834.00/383,444.28
  6. Step 6: Final answer
    x = 291,691.22

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