Home / 356,391.52-491,426.26-227,125.32

Finding the Fourth Proportional to 356,391.52, 491,426.26 and 227,125.32

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Solution

The fourth proportional to 356,391.52, 491,426.26 and 227,125.32 is: 313,181.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,391.52 : 491,426.26 = 227,125.32 : x
  2. Step 2: Convert to fraction form
    356,391.52/491,426.26 = 227,125.32/x
  3. Step 3: Cross multiply
    356,391.52x = 491,426.26 × 227,125.32
  4. Step 4: Simplify right side
    356,391.52x = 111,615,346,558.90
  5. Step 5: Solve for x
    x = 111,615,346,558.90/356,391.52
  6. Step 6: Final answer
    x = 313,181.82

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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.