Home / 551,788.30-827,343.72-214,435.05

Finding the Fourth Proportional to 551,788.30, 827,343.72 and 214,435.05

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Solution

The fourth proportional to 551,788.30, 827,343.72 and 214,435.05 is: 321,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,788.30 : 827,343.72 = 214,435.05 : x
  2. Step 2: Convert to fraction form
    551,788.30/827,343.72 = 214,435.05/x
  3. Step 3: Cross multiply
    551,788.30x = 827,343.72 × 214,435.05
  4. Step 4: Simplify right side
    551,788.30x = 177,411,491,965.39
  5. Step 5: Solve for x
    x = 177,411,491,965.39/551,788.30
  6. Step 6: Final answer
    x = 321,520.94

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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.