Home / 214,569.24-321,780.84-74,295

Finding the Fourth Proportional to 214,569.24, 321,780.84 and 74,295

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Solution

The fourth proportional to 214,569.24, 321,780.84 and 74,295 is: 111,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,569.24 : 321,780.84 = 74,295 : x
  2. Step 2: Convert to fraction form
    214,569.24/321,780.84 = 74,295/x
  3. Step 3: Cross multiply
    214,569.24x = 321,780.84 × 74,295
  4. Step 4: Simplify right side
    214,569.24x = 23,906,707,507.80
  5. Step 5: Solve for x
    x = 23,906,707,507.80/214,569.24
  6. Step 6: Final answer
    x = 111,417.22

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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.