Home / 215,264.20-322,896.30-165,440.20

Finding the Fourth Proportional to 215,264.20, 322,896.30 and 165,440.20

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Solution

The fourth proportional to 215,264.20, 322,896.30 and 165,440.20 is: 248,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,264.20 : 322,896.30 = 165,440.20 : x
  2. Step 2: Convert to fraction form
    215,264.20/322,896.30 = 165,440.20/x
  3. Step 3: Cross multiply
    215,264.20x = 322,896.30 × 165,440.20
  4. Step 4: Simplify right side
    215,264.20x = 53,420,028,451.26
  5. Step 5: Solve for x
    x = 53,420,028,451.26/215,264.20
  6. Step 6: Final answer
    x = 248,160.30

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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.