Home / 561,869.82-842,629.05-187,805.34

Finding the Fourth Proportional to 561,869.82, 842,629.05 and 187,805.34

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Solution

The fourth proportional to 561,869.82, 842,629.05 and 187,805.34 is: 281,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,869.82 : 842,629.05 = 187,805.34 : x
  2. Step 2: Convert to fraction form
    561,869.82/842,629.05 = 187,805.34/x
  3. Step 3: Cross multiply
    561,869.82x = 842,629.05 × 187,805.34
  4. Step 4: Simplify right side
    561,869.82x = 158,250,235,229.13
  5. Step 5: Solve for x
    x = 158,250,235,229.13/561,869.82
  6. Step 6: Final answer
    x = 281,649.29

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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.