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Finding the Fourth Proportional to 293,455.44, 440,214 and 93,728.88

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Solution

The fourth proportional to 293,455.44, 440,214 and 93,728.88 is: 140,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,455.44 : 440,214 = 93,728.88 : x
  2. Step 2: Convert to fraction form
    293,455.44/440,214 = 93,728.88/x
  3. Step 3: Cross multiply
    293,455.44x = 440,214 × 93,728.88
  4. Step 4: Simplify right side
    293,455.44x = 41,260,765,180.32
  5. Step 5: Solve for x
    x = 41,260,765,180.32/293,455.44
  6. Step 6: Final answer
    x = 140,603.17

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Why These Related Problems?

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