Home / 281,822.66-422,785.89-92,293.59

Finding the Fourth Proportional to 281,822.66, 422,785.89 and 92,293.59

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Solution

The fourth proportional to 281,822.66, 422,785.89 and 92,293.59 is: 138,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,822.66 : 422,785.89 = 92,293.59 : x
  2. Step 2: Convert to fraction form
    281,822.66/422,785.89 = 92,293.59/x
  3. Step 3: Cross multiply
    281,822.66x = 422,785.89 × 92,293.59
  4. Step 4: Simplify right side
    281,822.66x = 39,020,427,589.45
  5. Step 5: Solve for x
    x = 39,020,427,589.45/281,822.66
  6. Step 6: Final answer
    x = 138,457.38

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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.