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Finding the Fourth Proportional to 306,188, 422,541.60 and 172,052

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Solution

The fourth proportional to 306,188, 422,541.60 and 172,052 is: 237,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,188 : 422,541.60 = 172,052 : x
  2. Step 2: Convert to fraction form
    306,188/422,541.60 = 172,052/x
  3. Step 3: Cross multiply
    306,188x = 422,541.60 × 172,052
  4. Step 4: Simplify right side
    306,188x = 72,699,127,363.20
  5. Step 5: Solve for x
    x = 72,699,127,363.20/306,188
  6. Step 6: Final answer
    x = 237,432.97

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