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Finding the Fourth Proportional to 169,822.44, 254,718 and 57,489.81

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Solution

The fourth proportional to 169,822.44, 254,718 and 57,489.81 is: 86,229.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,822.44 : 254,718 = 57,489.81 : x
  2. Step 2: Convert to fraction form
    169,822.44/254,718 = 57,489.81/x
  3. Step 3: Cross multiply
    169,822.44x = 254,718 × 57,489.81
  4. Step 4: Simplify right side
    169,822.44x = 14,643,689,423.58
  5. Step 5: Solve for x
    x = 14,643,689,423.58/169,822.44
  6. Step 6: Final answer
    x = 86,229.41

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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.