Home / 226,456.21-339,740-112,657.76

Finding the Fourth Proportional to 226,456.21, 339,740 and 112,657.76

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Solution

The fourth proportional to 226,456.21, 339,740 and 112,657.76 is: 169,014.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,456.21 : 339,740 = 112,657.76 : x
  2. Step 2: Convert to fraction form
    226,456.21/339,740 = 112,657.76/x
  3. Step 3: Cross multiply
    226,456.21x = 339,740 × 112,657.76
  4. Step 4: Simplify right side
    226,456.21x = 38,274,347,382.40
  5. Step 5: Solve for x
    x = 38,274,347,382.40/226,456.21
  6. Step 6: Final answer
    x = 169,014.34

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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.