Home / 548,965.45-822,877.28-212,237.38

Finding the Fourth Proportional to 548,965.45, 822,877.28 and 212,237.38

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Solution

The fourth proportional to 548,965.45, 822,877.28 and 212,237.38 is: 318,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,965.45 : 822,877.28 = 212,237.38 : x
  2. Step 2: Convert to fraction form
    548,965.45/822,877.28 = 212,237.38/x
  3. Step 3: Cross multiply
    548,965.45x = 822,877.28 × 212,237.38
  4. Step 4: Simplify right side
    548,965.45x = 174,645,317,968.73
  5. Step 5: Solve for x
    x = 174,645,317,968.73/548,965.45
  6. Step 6: Final answer
    x = 318,135.35

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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.