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Finding the Fourth Proportional to 293,896.10, 440,844.15 and 72,280.10

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Solution

The fourth proportional to 293,896.10, 440,844.15 and 72,280.10 is: 108,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,896.10 : 440,844.15 = 72,280.10 : x
  2. Step 2: Convert to fraction form
    293,896.10/440,844.15 = 72,280.10/x
  3. Step 3: Cross multiply
    293,896.10x = 440,844.15 × 72,280.10
  4. Step 4: Simplify right side
    293,896.10x = 31,864,259,246.42
  5. Step 5: Solve for x
    x = 31,864,259,246.42/293,896.10
  6. Step 6: Final answer
    x = 108,420.15

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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.