Home / 331,600.74-497,031.75-131,867.70

Finding the Fourth Proportional to 331,600.74, 497,031.75 and 131,867.70

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Solution

The fourth proportional to 331,600.74, 497,031.75 and 131,867.70 is: 197,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,600.74 : 497,031.75 = 131,867.70 : x
  2. Step 2: Convert to fraction form
    331,600.74/497,031.75 = 131,867.70/x
  3. Step 3: Cross multiply
    331,600.74x = 497,031.75 × 131,867.70
  4. Step 4: Simplify right side
    331,600.74x = 65,542,433,699.48
  5. Step 5: Solve for x
    x = 65,542,433,699.48/331,600.74
  6. Step 6: Final answer
    x = 197,654.67

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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.