Home / 220,724.20-331,259.10-102,410.20

Finding the Fourth Proportional to 220,724.20, 331,259.10 and 102,410.20

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Solution

The fourth proportional to 220,724.20, 331,259.10 and 102,410.20 is: 153,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,724.20 : 331,259.10 = 102,410.20 : x
  2. Step 2: Convert to fraction form
    220,724.20/331,259.10 = 102,410.20/x
  3. Step 3: Cross multiply
    220,724.20x = 331,259.10 × 102,410.20
  4. Step 4: Simplify right side
    220,724.20x = 33,924,310,682.82
  5. Step 5: Solve for x
    x = 33,924,310,682.82/220,724.20
  6. Step 6: Final answer
    x = 153,695.47

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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.