Home / 248,922.20-372,929.70-143,427.80

Finding the Fourth Proportional to 248,922.20, 372,929.70 and 143,427.80

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Solution

The fourth proportional to 248,922.20, 372,929.70 and 143,427.80 is: 214,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,922.20 : 372,929.70 = 143,427.80 : x
  2. Step 2: Convert to fraction form
    248,922.20/372,929.70 = 143,427.80/x
  3. Step 3: Cross multiply
    248,922.20x = 372,929.70 × 143,427.80
  4. Step 4: Simplify right side
    248,922.20x = 53,488,486,425.66
  5. Step 5: Solve for x
    x = 53,488,486,425.66/248,922.20
  6. Step 6: Final answer
    x = 214,880.34

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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.