Home / 245,721.53-339,200.34-165,195.77

Finding the Fourth Proportional to 245,721.53, 339,200.34 and 165,195.77

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Solution

The fourth proportional to 245,721.53, 339,200.34 and 165,195.77 is: 228,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,721.53 : 339,200.34 = 165,195.77 : x
  2. Step 2: Convert to fraction form
    245,721.53/339,200.34 = 165,195.77/x
  3. Step 3: Cross multiply
    245,721.53x = 339,200.34 × 165,195.77
  4. Step 4: Simplify right side
    245,721.53x = 56,034,459,654.56
  5. Step 5: Solve for x
    x = 56,034,459,654.56/245,721.53
  6. Step 6: Final answer
    x = 228,040.50

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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.