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Finding the Fourth Proportional to 417,879.58, 576,676.83 and 226,893.10

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Solution

The fourth proportional to 417,879.58, 576,676.83 and 226,893.10 is: 313,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,879.58 : 576,676.83 = 226,893.10 : x
  2. Step 2: Convert to fraction form
    417,879.58/576,676.83 = 226,893.10/x
  3. Step 3: Cross multiply
    417,879.58x = 576,676.83 × 226,893.10
  4. Step 4: Simplify right side
    417,879.58x = 130,843,993,656.87
  5. Step 5: Solve for x
    x = 130,843,993,656.87/417,879.58
  6. Step 6: Final answer
    x = 313,114.11

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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.