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Finding the Fourth Proportional to 293,701.29, 440,552.28 and 80,471.01

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Solution

The fourth proportional to 293,701.29, 440,552.28 and 80,471.01 is: 120,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,701.29 : 440,552.28 = 80,471.01 : x
  2. Step 2: Convert to fraction form
    293,701.29/440,552.28 = 80,471.01/x
  3. Step 3: Cross multiply
    293,701.29x = 440,552.28 × 80,471.01
  4. Step 4: Simplify right side
    293,701.29x = 35,451,686,929.40
  5. Step 5: Solve for x
    x = 35,451,686,929.40/293,701.29
  6. Step 6: Final answer
    x = 120,706.61

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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.