Home / 282,021.04-422,467.56-169,639.12

Finding the Fourth Proportional to 282,021.04, 422,467.56 and 169,639.12

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Solution

The fourth proportional to 282,021.04, 422,467.56 and 169,639.12 is: 254,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,021.04 : 422,467.56 = 169,639.12 : x
  2. Step 2: Convert to fraction form
    282,021.04/422,467.56 = 169,639.12/x
  3. Step 3: Cross multiply
    282,021.04x = 422,467.56 × 169,639.12
  4. Step 4: Simplify right side
    282,021.04x = 71,667,025,106.95
  5. Step 5: Solve for x
    x = 71,667,025,106.95/282,021.04
  6. Step 6: Final answer
    x = 254,119.43

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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.