Home / 245,747.40-339,236.00-165,221.61

Finding the Fourth Proportional to 245,747.40, 339,236.00 and 165,221.61

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Solution

The fourth proportional to 245,747.40, 339,236.00 and 165,221.61 is: 228,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,747.40 : 339,236.00 = 165,221.61 : x
  2. Step 2: Convert to fraction form
    245,747.40/339,236.00 = 165,221.61/x
  3. Step 3: Cross multiply
    245,747.40x = 339,236.00 × 165,221.61
  4. Step 4: Simplify right side
    245,747.40x = 56,049,117,263.85
  5. Step 5: Solve for x
    x = 56,049,117,263.85/245,747.40
  6. Step 6: Final answer
    x = 228,076.14

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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.