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Finding the Fourth Proportional to 426,223.22, 638,800.22 and 226,049.54

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Solution

The fourth proportional to 426,223.22, 638,800.22 and 226,049.54 is: 338,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,223.22 : 638,800.22 = 226,049.54 : x
  2. Step 2: Convert to fraction form
    426,223.22/638,800.22 = 226,049.54/x
  3. Step 3: Cross multiply
    426,223.22x = 638,800.22 × 226,049.54
  4. Step 4: Simplify right side
    426,223.22x = 144,400,493,254.02
  5. Step 5: Solve for x
    x = 144,400,493,254.02/426,223.22
  6. Step 6: Final answer
    x = 338,790.77

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1.5x scale

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.