Home / 282,385.40-422,519.37-168,115.24

Finding the Fourth Proportional to 282,385.40, 422,519.37 and 168,115.24

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Solution

The fourth proportional to 282,385.40, 422,519.37 and 168,115.24 is: 251,542.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,385.40 : 422,519.37 = 168,115.24 : x
  2. Step 2: Convert to fraction form
    282,385.40/422,519.37 = 168,115.24/x
  3. Step 3: Cross multiply
    282,385.40x = 422,519.37 × 168,115.24
  4. Step 4: Simplify right side
    282,385.40x = 71,031,945,292.20
  5. Step 5: Solve for x
    x = 71,031,945,292.20/282,385.40
  6. Step 6: Final answer
    x = 251,542.56

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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.