Home / 548,946.12-823,654.69-212,223.26

Finding the Fourth Proportional to 548,946.12, 823,654.69 and 212,223.26

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Solution

The fourth proportional to 548,946.12, 823,654.69 and 212,223.26 is: 318,425.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,946.12 : 823,654.69 = 212,223.26 : x
  2. Step 2: Convert to fraction form
    548,946.12/823,654.69 = 212,223.26/x
  3. Step 3: Cross multiply
    548,946.12x = 823,654.69 × 212,223.26
  4. Step 4: Simplify right side
    548,946.12x = 174,798,684,954.67
  5. Step 5: Solve for x
    x = 174,798,684,954.67/548,946.12
  6. Step 6: Final answer
    x = 318,425.94

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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.