Home / 282,243.80-423,255.38-102,286.52

Finding the Fourth Proportional to 282,243.80, 423,255.38 and 102,286.52

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Solution

The fourth proportional to 282,243.80, 423,255.38 and 102,286.52 is: 153,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,243.80 : 423,255.38 = 102,286.52 : x
  2. Step 2: Convert to fraction form
    282,243.80/423,255.38 = 102,286.52/x
  3. Step 3: Cross multiply
    282,243.80x = 423,255.38 × 102,286.52
  4. Step 4: Simplify right side
    282,243.80x = 43,293,319,891.48
  5. Step 5: Solve for x
    x = 43,293,319,891.48/282,243.80
  6. Step 6: Final answer
    x = 153,389.80

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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.