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Finding the Fourth Proportional to 220,664.99, 330,997.49 and 62,889.34

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Solution

The fourth proportional to 220,664.99, 330,997.49 and 62,889.34 is: 94,334.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,664.99 : 330,997.49 = 62,889.34 : x
  2. Step 2: Convert to fraction form
    220,664.99/330,997.49 = 62,889.34/x
  3. Step 3: Cross multiply
    220,664.99x = 330,997.49 × 62,889.34
  4. Step 4: Simplify right side
    220,664.99x = 20,816,213,687.76
  5. Step 5: Solve for x
    x = 20,816,213,687.76/220,664.99
  6. Step 6: Final answer
    x = 94,334.01

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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.