Home / 311,027.20-466,540.80-248,819.20

Finding the Fourth Proportional to 311,027.20, 466,540.80 and 248,819.20

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Solution

The fourth proportional to 311,027.20, 466,540.80 and 248,819.20 is: 373,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,027.20 : 466,540.80 = 248,819.20 : x
  2. Step 2: Convert to fraction form
    311,027.20/466,540.80 = 248,819.20/x
  3. Step 3: Cross multiply
    311,027.20x = 466,540.80 × 248,819.20
  4. Step 4: Simplify right side
    311,027.20x = 116,084,308,623.36
  5. Step 5: Solve for x
    x = 116,084,308,623.36/311,027.20
  6. Step 6: Final answer
    x = 373,228.80

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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.