Home / 340,520.10-469,917.71-197,363.18

Finding the Fourth Proportional to 340,520.10, 469,917.71 and 197,363.18

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Solution

The fourth proportional to 340,520.10, 469,917.71 and 197,363.18 is: 272,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,520.10 : 469,917.71 = 197,363.18 : x
  2. Step 2: Convert to fraction form
    340,520.10/469,917.71 = 197,363.18/x
  3. Step 3: Cross multiply
    340,520.10x = 469,917.71 × 197,363.18
  4. Step 4: Simplify right side
    340,520.10x = 92,744,451,234.33
  5. Step 5: Solve for x
    x = 92,744,451,234.33/340,520.10
  6. Step 6: Final answer
    x = 272,361.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.