Home / 282,156.20-423,226.09-82,481.28

Finding the Fourth Proportional to 282,156.20, 423,226.09 and 82,481.28

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Solution

The fourth proportional to 282,156.20, 423,226.09 and 82,481.28 is: 123,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,156.20 : 423,226.09 = 82,481.28 : x
  2. Step 2: Convert to fraction form
    282,156.20/423,226.09 = 82,481.28/x
  3. Step 3: Cross multiply
    282,156.20x = 423,226.09 × 82,481.28
  4. Step 4: Simplify right side
    282,156.20x = 34,908,229,632.60
  5. Step 5: Solve for x
    x = 34,908,229,632.60/282,156.20
  6. Step 6: Final answer
    x = 123,719.52

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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.