Home / 281,590.09-422,386.56-71,228.23

Finding the Fourth Proportional to 281,590.09, 422,386.56 and 71,228.23

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Solution

The fourth proportional to 281,590.09, 422,386.56 and 71,228.23 is: 106,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,590.09 : 422,386.56 = 71,228.23 : x
  2. Step 2: Convert to fraction form
    281,590.09/422,386.56 = 71,228.23/x
  3. Step 3: Cross multiply
    281,590.09x = 422,386.56 × 71,228.23
  4. Step 4: Simplify right side
    281,590.09x = 30,085,847,044.59
  5. Step 5: Solve for x
    x = 30,085,847,044.59/281,590.09
  6. Step 6: Final answer
    x = 106,842.71

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1.5x scale

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.