Home / 389,488.08-584,226.03-199,839

Finding the Fourth Proportional to 389,488.08, 584,226.03 and 199,839

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Solution

The fourth proportional to 389,488.08, 584,226.03 and 199,839 is: 299,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,488.08 : 584,226.03 = 199,839 : x
  2. Step 2: Convert to fraction form
    389,488.08/584,226.03 = 199,839/x
  3. Step 3: Cross multiply
    389,488.08x = 584,226.03 × 199,839
  4. Step 4: Simplify right side
    389,488.08x = 116,751,145,609.17
  5. Step 5: Solve for x
    x = 116,751,145,609.17/389,488.08
  6. Step 6: Final answer
    x = 299,755.38

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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.