Home / 281,929.68-422,849.46-82,203.36

Finding the Fourth Proportional to 281,929.68, 422,849.46 and 82,203.36

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Solution

The fourth proportional to 281,929.68, 422,849.46 and 82,203.36 is: 123,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,929.68 : 422,849.46 = 82,203.36 : x
  2. Step 2: Convert to fraction form
    281,929.68/422,849.46 = 82,203.36/x
  3. Step 3: Cross multiply
    281,929.68x = 422,849.46 × 82,203.36
  4. Step 4: Simplify right side
    281,929.68x = 34,759,646,386.19
  5. Step 5: Solve for x
    x = 34,759,646,386.19/281,929.68
  6. Step 6: Final answer
    x = 123,291.90

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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.