Home / 282,625.26-390,040.30-161,763.97

Finding the Fourth Proportional to 282,625.26, 390,040.30 and 161,763.97

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Solution

The fourth proportional to 282,625.26, 390,040.30 and 161,763.97 is: 223,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,625.26 : 390,040.30 = 161,763.97 : x
  2. Step 2: Convert to fraction form
    282,625.26/390,040.30 = 161,763.97/x
  3. Step 3: Cross multiply
    282,625.26x = 390,040.30 × 161,763.97
  4. Step 4: Simplify right side
    282,625.26x = 63,094,467,387.99
  5. Step 5: Solve for x
    x = 63,094,467,387.99/282,625.26
  6. Step 6: Final answer
    x = 223,244.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.