Home / 389,103.82-583,724.85-132,922.42

Finding the Fourth Proportional to 389,103.82, 583,724.85 and 132,922.42

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Solution

The fourth proportional to 389,103.82, 583,724.85 and 132,922.42 is: 199,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,103.82 : 583,724.85 = 132,922.42 : x
  2. Step 2: Convert to fraction form
    389,103.82/583,724.85 = 132,922.42/x
  3. Step 3: Cross multiply
    389,103.82x = 583,724.85 × 132,922.42
  4. Step 4: Simplify right side
    389,103.82x = 77,590,119,676.14
  5. Step 5: Solve for x
    x = 77,590,119,676.14/389,103.82
  6. Step 6: Final answer
    x = 199,407.24

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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.