Home / 389,514.08-584,212.55-123,239.95

Finding the Fourth Proportional to 389,514.08, 584,212.55 and 123,239.95

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Solution

The fourth proportional to 389,514.08, 584,212.55 and 123,239.95 is: 184,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,514.08 : 584,212.55 = 123,239.95 : x
  2. Step 2: Convert to fraction form
    389,514.08/584,212.55 = 123,239.95/x
  3. Step 3: Cross multiply
    389,514.08x = 584,212.55 × 123,239.95
  4. Step 4: Simplify right side
    389,514.08x = 71,998,323,374.64
  5. Step 5: Solve for x
    x = 71,998,323,374.64/389,514.08
  6. Step 6: Final answer
    x = 184,841.39

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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.