Home / 220,802.24-331,252.50-80,560.82

Finding the Fourth Proportional to 220,802.24, 331,252.50 and 80,560.82

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Solution

The fourth proportional to 220,802.24, 331,252.50 and 80,560.82 is: 120,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,802.24 : 331,252.50 = 80,560.82 : x
  2. Step 2: Convert to fraction form
    220,802.24/331,252.50 = 80,560.82/x
  3. Step 3: Cross multiply
    220,802.24x = 331,252.50 × 80,560.82
  4. Step 4: Simplify right side
    220,802.24x = 26,685,973,027.05
  5. Step 5: Solve for x
    x = 26,685,973,027.05/220,802.24
  6. Step 6: Final answer
    x = 120,859.16

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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.