Home / 331,279.09-496,970.92-141,740.69

Finding the Fourth Proportional to 331,279.09, 496,970.92 and 141,740.69

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Solution

The fourth proportional to 331,279.09, 496,970.92 and 141,740.69 is: 212,633.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,279.09 : 496,970.92 = 141,740.69 : x
  2. Step 2: Convert to fraction form
    331,279.09/496,970.92 = 141,740.69/x
  3. Step 3: Cross multiply
    331,279.09x = 496,970.92 × 141,740.69
  4. Step 4: Simplify right side
    331,279.09x = 70,441,001,110.73
  5. Step 5: Solve for x
    x = 70,441,001,110.73/331,279.09
  6. Step 6: Final answer
    x = 212,633.41

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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.