Home / 394,699.68-591,789.24-141,853.32

Finding the Fourth Proportional to 394,699.68, 591,789.24 and 141,853.32

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Solution

The fourth proportional to 394,699.68, 591,789.24 and 141,853.32 is: 212,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,699.68 : 591,789.24 = 141,853.32 : x
  2. Step 2: Convert to fraction form
    394,699.68/591,789.24 = 141,853.32/x
  3. Step 3: Cross multiply
    394,699.68x = 591,789.24 × 141,853.32
  4. Step 4: Simplify right side
    394,699.68x = 83,947,268,434.28
  5. Step 5: Solve for x
    x = 83,947,268,434.28/394,699.68
  6. Step 6: Final answer
    x = 212,686.44

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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.