Home / 352,711.47-486,410.26-272,011.17

Finding the Fourth Proportional to 352,711.47, 486,410.26 and 272,011.17

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Solution

The fourth proportional to 352,711.47, 486,410.26 and 272,011.17 is: 375,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,711.47 : 486,410.26 = 272,011.17 : x
  2. Step 2: Convert to fraction form
    352,711.47/486,410.26 = 272,011.17/x
  3. Step 3: Cross multiply
    352,711.47x = 486,410.26 × 272,011.17
  4. Step 4: Simplify right side
    352,711.47x = 132,309,023,922.60
  5. Step 5: Solve for x
    x = 132,309,023,922.60/352,711.47
  6. Step 6: Final answer
    x = 375,119.71

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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.