Home / 320,860.83-442,793.17-175,664.18

Finding the Fourth Proportional to 320,860.83, 442,793.17 and 175,664.18

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Solution

The fourth proportional to 320,860.83, 442,793.17 and 175,664.18 is: 242,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,860.83 : 442,793.17 = 175,664.18 : x
  2. Step 2: Convert to fraction form
    320,860.83/442,793.17 = 175,664.18/x
  3. Step 3: Cross multiply
    320,860.83x = 442,793.17 × 175,664.18
  4. Step 4: Simplify right side
    320,860.83x = 77,782,896,903.68
  5. Step 5: Solve for x
    x = 77,782,896,903.68/320,860.83
  6. Step 6: Final answer
    x = 242,419.43

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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.