Home / 548,966.45-822,878.78-212,238.38

Finding the Fourth Proportional to 548,966.45, 822,878.78 and 212,238.38

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Solution

The fourth proportional to 548,966.45, 822,878.78 and 212,238.38 is: 318,136.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,966.45 : 822,878.78 = 212,238.38 : x
  2. Step 2: Convert to fraction form
    548,966.45/822,878.78 = 212,238.38/x
  3. Step 3: Cross multiply
    548,966.45x = 822,878.78 × 212,238.38
  4. Step 4: Simplify right side
    548,966.45x = 174,646,459,203.58
  5. Step 5: Solve for x
    x = 174,646,459,203.58/548,966.45
  6. Step 6: Final answer
    x = 318,136.85

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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.