Home / 399,977.52-551,974.88-270,955.46

Finding the Fourth Proportional to 399,977.52, 551,974.88 and 270,955.46

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Solution

The fourth proportional to 399,977.52, 551,974.88 and 270,955.46 is: 373,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,977.52 : 551,974.88 = 270,955.46 : x
  2. Step 2: Convert to fraction form
    399,977.52/551,974.88 = 270,955.46/x
  3. Step 3: Cross multiply
    399,977.52x = 551,974.88 × 270,955.46
  4. Step 4: Simplify right side
    399,977.52x = 149,560,607,518.85
  5. Step 5: Solve for x
    x = 149,560,607,518.85/399,977.52
  6. Step 6: Final answer
    x = 373,922.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.