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Finding the Fourth Proportional to 178,259.50, 267,383.78 and 72,999.19

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Solution

The fourth proportional to 178,259.50, 267,383.78 and 72,999.19 is: 109,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,259.50 : 267,383.78 = 72,999.19 : x
  2. Step 2: Convert to fraction form
    178,259.50/267,383.78 = 72,999.19/x
  3. Step 3: Cross multiply
    178,259.50x = 267,383.78 × 72,999.19
  4. Step 4: Simplify right side
    178,259.50x = 19,518,799,359.14
  5. Step 5: Solve for x
    x = 19,518,799,359.14/178,259.50
  6. Step 6: Final answer
    x = 109,496.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.