Home / 275,276.36-379,662.23-227,446.67

Finding the Fourth Proportional to 275,276.36, 379,662.23 and 227,446.67

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Solution

The fourth proportional to 275,276.36, 379,662.23 and 227,446.67 is: 313,695.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,276.36 : 379,662.23 = 227,446.67 : x
  2. Step 2: Convert to fraction form
    275,276.36/379,662.23 = 227,446.67/x
  3. Step 3: Cross multiply
    275,276.36x = 379,662.23 × 227,446.67
  4. Step 4: Simplify right side
    275,276.36x = 86,352,908,608.58
  5. Step 5: Solve for x
    x = 86,352,908,608.58/275,276.36
  6. Step 6: Final answer
    x = 313,695.34

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1.5x scale

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.