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Finding the Fourth Proportional to 354,285.21, 531,267.90 and 101,507.85

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Solution

The fourth proportional to 354,285.21, 531,267.90 and 101,507.85 is: 152,215.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,285.21 : 531,267.90 = 101,507.85 : x
  2. Step 2: Convert to fraction form
    354,285.21/531,267.90 = 101,507.85/x
  3. Step 3: Cross multiply
    354,285.21x = 531,267.90 × 101,507.85
  4. Step 4: Simplify right side
    354,285.21x = 53,927,862,303.02
  5. Step 5: Solve for x
    x = 53,927,862,303.02/354,285.21
  6. Step 6: Final answer
    x = 152,215.96

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