Home / 551,962.20-827,943.30-172,914.60

Finding the Fourth Proportional to 551,962.20, 827,943.30 and 172,914.60

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Solution

The fourth proportional to 551,962.20, 827,943.30 and 172,914.60 is: 259,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,962.20 : 827,943.30 = 172,914.60 : x
  2. Step 2: Convert to fraction form
    551,962.20/827,943.30 = 172,914.60/x
  3. Step 3: Cross multiply
    551,962.20x = 827,943.30 × 172,914.60
  4. Step 4: Simplify right side
    551,962.20x = 143,163,484,542.18
  5. Step 5: Solve for x
    x = 143,163,484,542.18/551,962.20
  6. Step 6: Final answer
    x = 259,371.90

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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.