Home / 352,712.22-486,411.30-272,011.92

Finding the Fourth Proportional to 352,712.22, 486,411.30 and 272,011.92

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Solution

The fourth proportional to 352,712.22, 486,411.30 and 272,011.92 is: 375,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,712.22 : 486,411.30 = 272,011.92 : x
  2. Step 2: Convert to fraction form
    352,712.22/486,411.30 = 272,011.92/x
  3. Step 3: Cross multiply
    352,712.22x = 486,411.30 × 272,011.92
  4. Step 4: Simplify right side
    352,712.22x = 132,309,671,622.70
  5. Step 5: Solve for x
    x = 132,309,671,622.70/352,712.22
  6. Step 6: Final answer
    x = 375,120.75

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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.