Home / 335,215.15-502,690.96-121,932.43

Finding the Fourth Proportional to 335,215.15, 502,690.96 and 121,932.43

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Solution

The fourth proportional to 335,215.15, 502,690.96 and 121,932.43 is: 182,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,215.15 : 502,690.96 = 121,932.43 : x
  2. Step 2: Convert to fraction form
    335,215.15/502,690.96 = 121,932.43/x
  3. Step 3: Cross multiply
    335,215.15x = 502,690.96 × 121,932.43
  4. Step 4: Simplify right side
    335,215.15x = 61,294,330,291.83
  5. Step 5: Solve for x
    x = 61,294,330,291.83/335,215.15
  6. Step 6: Final answer
    x = 182,850.72

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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.