Home / 384,849.58-531,093.19-215,083.70

Finding the Fourth Proportional to 384,849.58, 531,093.19 and 215,083.70

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Solution

The fourth proportional to 384,849.58, 531,093.19 and 215,083.70 is: 296,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,849.58 : 531,093.19 = 215,083.70 : x
  2. Step 2: Convert to fraction form
    384,849.58/531,093.19 = 215,083.70/x
  3. Step 3: Cross multiply
    384,849.58x = 531,093.19 × 215,083.70
  4. Step 4: Simplify right side
    384,849.58x = 114,229,488,350.00
  5. Step 5: Solve for x
    x = 114,229,488,350.00/384,849.58
  6. Step 6: Final answer
    x = 296,815.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.