Home / 389,104.82-583,726.35-132,923.42

Finding the Fourth Proportional to 389,104.82, 583,726.35 and 132,923.42

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Solution

The fourth proportional to 389,104.82, 583,726.35 and 132,923.42 is: 199,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,104.82 : 583,726.35 = 132,923.42 : x
  2. Step 2: Convert to fraction form
    389,104.82/583,726.35 = 132,923.42/x
  3. Step 3: Cross multiply
    389,104.82x = 583,726.35 × 132,923.42
  4. Step 4: Simplify right side
    389,104.82x = 77,590,902,786.12
  5. Step 5: Solve for x
    x = 77,590,902,786.12/389,104.82
  6. Step 6: Final answer
    x = 199,408.74

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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.