Home / 389,286.54-583,879.32-123,073.92

Finding the Fourth Proportional to 389,286.54, 583,879.32 and 123,073.92

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Solution

The fourth proportional to 389,286.54, 583,879.32 and 123,073.92 is: 184,594.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,286.54 : 583,879.32 = 123,073.92 : x
  2. Step 2: Convert to fraction form
    389,286.54/583,879.32 = 123,073.92/x
  3. Step 3: Cross multiply
    389,286.54x = 583,879.32 × 123,073.92
  4. Step 4: Simplify right side
    389,286.54x = 71,860,316,719.33
  5. Step 5: Solve for x
    x = 71,860,316,719.33/389,286.54
  6. Step 6: Final answer
    x = 184,594.92

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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.