Home / 275,275.32-379,660.82-227,445.63

Finding the Fourth Proportional to 275,275.32, 379,660.82 and 227,445.63

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Solution

The fourth proportional to 275,275.32, 379,660.82 and 227,445.63 is: 313,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,275.32 : 379,660.82 = 227,445.63 : x
  2. Step 2: Convert to fraction form
    275,275.32/379,660.82 = 227,445.63/x
  3. Step 3: Cross multiply
    275,275.32x = 379,660.82 × 227,445.63
  4. Step 4: Simplify right side
    275,275.32x = 86,352,193,253.99
  5. Step 5: Solve for x
    x = 86,352,193,253.99/275,275.32
  6. Step 6: Final answer
    x = 313,693.92

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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.