Home / 395,947.87-594,317.22-218,538.43

Finding the Fourth Proportional to 395,947.87, 594,317.22 and 218,538.43

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Solution

The fourth proportional to 395,947.87, 594,317.22 and 218,538.43 is: 328,025.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,947.87 : 594,317.22 = 218,538.43 : x
  2. Step 2: Convert to fraction form
    395,947.87/594,317.22 = 218,538.43/x
  3. Step 3: Cross multiply
    395,947.87x = 594,317.22 × 218,538.43
  4. Step 4: Simplify right side
    395,947.87x = 129,881,152,180.77
  5. Step 5: Solve for x
    x = 129,881,152,180.77/395,947.87
  6. Step 6: Final answer
    x = 328,025.89

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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.