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Finding the Fourth Proportional to 403,113.92, 603,341.87 and 222,922.13

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Solution

The fourth proportional to 403,113.92, 603,341.87 and 222,922.13 is: 333,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,113.92 : 603,341.87 = 222,922.13 : x
  2. Step 2: Convert to fraction form
    403,113.92/603,341.87 = 222,922.13/x
  3. Step 3: Cross multiply
    403,113.92x = 603,341.87 × 222,922.13
  4. Step 4: Simplify right side
    403,113.92x = 134,498,250,647.26
  5. Step 5: Solve for x
    x = 134,498,250,647.26/403,113.92
  6. Step 6: Final answer
    x = 333,648.25

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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.