Home / 548,837.30-822,782.82-212,114.18

Finding the Fourth Proportional to 548,837.30, 822,782.82 and 212,114.18

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Solution

The fourth proportional to 548,837.30, 822,782.82 and 212,114.18 is: 317,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,837.30 : 822,782.82 = 212,114.18 : x
  2. Step 2: Convert to fraction form
    548,837.30/822,782.82 = 212,114.18/x
  3. Step 3: Cross multiply
    548,837.30x = 822,782.82 × 212,114.18
  4. Step 4: Simplify right side
    548,837.30x = 174,523,903,182.39
  5. Step 5: Solve for x
    x = 174,523,903,182.39/548,837.30
  6. Step 6: Final answer
    x = 317,988.42

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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.