Home / 335,890.76-503,837.96-86,572.76

Finding the Fourth Proportional to 335,890.76, 503,837.96 and 86,572.76

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Solution

The fourth proportional to 335,890.76, 503,837.96 and 86,572.76 is: 129,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,890.76 : 503,837.96 = 86,572.76 : x
  2. Step 2: Convert to fraction form
    335,890.76/503,837.96 = 86,572.76/x
  3. Step 3: Cross multiply
    335,890.76x = 503,837.96 × 86,572.76
  4. Step 4: Simplify right side
    335,890.76x = 43,618,642,789.97
  5. Step 5: Solve for x
    x = 43,618,642,789.97/335,890.76
  6. Step 6: Final answer
    x = 129,859.61

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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.