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Finding the Fourth Proportional to 625,601.37, 938,203.88 and 226,189.29

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Solution

The fourth proportional to 625,601.37, 938,203.88 and 226,189.29 is: 339,212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,601.37 : 938,203.88 = 226,189.29 : x
  2. Step 2: Convert to fraction form
    625,601.37/938,203.88 = 226,189.29/x
  3. Step 3: Cross multiply
    625,601.37x = 938,203.88 × 226,189.29
  4. Step 4: Simplify right side
    625,601.37x = 212,211,668,361.50
  5. Step 5: Solve for x
    x = 212,211,668,361.50/625,601.37
  6. Step 6: Final answer
    x = 339,212.28

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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.