Home / 386,131.28-532,545.24-271,788.44

Finding the Fourth Proportional to 386,131.28, 532,545.24 and 271,788.44

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Solution

The fourth proportional to 386,131.28, 532,545.24 and 271,788.44 is: 374,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,131.28 : 532,545.24 = 271,788.44 : x
  2. Step 2: Convert to fraction form
    386,131.28/532,545.24 = 271,788.44/x
  3. Step 3: Cross multiply
    386,131.28x = 532,545.24 × 271,788.44
  4. Step 4: Simplify right side
    386,131.28x = 144,739,640,009.03
  5. Step 5: Solve for x
    x = 144,739,640,009.03/386,131.28
  6. Step 6: Final answer
    x = 374,845.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.