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Finding the Fourth Proportional to 375,318.28, 563,014.30 and 109,081

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Solution

The fourth proportional to 375,318.28, 563,014.30 and 109,081 is: 163,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,318.28 : 563,014.30 = 109,081 : x
  2. Step 2: Convert to fraction form
    375,318.28/563,014.30 = 109,081/x
  3. Step 3: Cross multiply
    375,318.28x = 563,014.30 × 109,081
  4. Step 4: Simplify right side
    375,318.28x = 61,414,162,858.30
  5. Step 5: Solve for x
    x = 61,414,162,858.30/375,318.28
  6. Step 6: Final answer
    x = 163,632.22

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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.