Home / 389,584.35-584,391.11-109,094.31

Finding the Fourth Proportional to 389,584.35, 584,391.11 and 109,094.31

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Solution

The fourth proportional to 389,584.35, 584,391.11 and 109,094.31 is: 163,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,584.35 : 584,391.11 = 109,094.31 : x
  2. Step 2: Convert to fraction form
    389,584.35/584,391.11 = 109,094.31/x
  3. Step 3: Cross multiply
    389,584.35x = 584,391.11 × 109,094.31
  4. Step 4: Simplify right side
    389,584.35x = 63,753,744,370.11
  5. Step 5: Solve for x
    x = 63,753,744,370.11/389,584.35
  6. Step 6: Final answer
    x = 163,645.55

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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.