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Finding the Fourth Proportional to 381,656.70, 572,485.05 and 97,346.70

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Solution

The fourth proportional to 381,656.70, 572,485.05 and 97,346.70 is: 146,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,656.70 : 572,485.05 = 97,346.70 : x
  2. Step 2: Convert to fraction form
    381,656.70/572,485.05 = 97,346.70/x
  3. Step 3: Cross multiply
    381,656.70x = 572,485.05 × 97,346.70
  4. Step 4: Simplify right side
    381,656.70x = 55,729,530,416.84
  5. Step 5: Solve for x
    x = 55,729,530,416.84/381,656.70
  6. Step 6: Final answer
    x = 146,020.05

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