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Finding the Fourth Proportional to 381,383.92, 526,275.02 and 226,308.48

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Solution

The fourth proportional to 381,383.92, 526,275.02 and 226,308.48 is: 312,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,383.92 : 526,275.02 = 226,308.48 : x
  2. Step 2: Convert to fraction form
    381,383.92/526,275.02 = 226,308.48/x
  3. Step 3: Cross multiply
    381,383.92x = 526,275.02 × 226,308.48
  4. Step 4: Simplify right side
    381,383.92x = 119,100,499,838.17
  5. Step 5: Solve for x
    x = 119,100,499,838.17/381,383.92
  6. Step 6: Final answer
    x = 312,285.06

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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.