Home / 335,022.38-502,311.40-121,764.97

Finding the Fourth Proportional to 335,022.38, 502,311.40 and 121,764.97

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Solution

The fourth proportional to 335,022.38, 502,311.40 and 121,764.97 is: 182,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,022.38 : 502,311.40 = 121,764.97 : x
  2. Step 2: Convert to fraction form
    335,022.38/502,311.40 = 121,764.97/x
  3. Step 3: Cross multiply
    335,022.38x = 502,311.40 × 121,764.97
  4. Step 4: Simplify right side
    335,022.38x = 61,163,932,875.13
  5. Step 5: Solve for x
    x = 61,163,932,875.13/335,022.38
  6. Step 6: Final answer
    x = 182,566.71

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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.