Home / 282,028.20-423,042.30-269,586.60

Finding the Fourth Proportional to 282,028.20, 423,042.30 and 269,586.60

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Solution

The fourth proportional to 282,028.20, 423,042.30 and 269,586.60 is: 404,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,028.20 : 423,042.30 = 269,586.60 : x
  2. Step 2: Convert to fraction form
    282,028.20/423,042.30 = 269,586.60/x
  3. Step 3: Cross multiply
    282,028.20x = 423,042.30 × 269,586.60
  4. Step 4: Simplify right side
    282,028.20x = 114,046,535,313.18
  5. Step 5: Solve for x
    x = 114,046,535,313.18/282,028.20
  6. Step 6: Final answer
    x = 404,379.90

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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.