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Finding the Fourth Proportional to 220,099.05, 330,024.54 and 70,304.13

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Solution

The fourth proportional to 220,099.05, 330,024.54 and 70,304.13 is: 105,416.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,099.05 : 330,024.54 = 70,304.13 : x
  2. Step 2: Convert to fraction form
    220,099.05/330,024.54 = 70,304.13/x
  3. Step 3: Cross multiply
    220,099.05x = 330,024.54 × 70,304.13
  4. Step 4: Simplify right side
    220,099.05x = 23,202,088,163.35
  5. Step 5: Solve for x
    x = 23,202,088,163.35/220,099.05
  6. Step 6: Final answer
    x = 105,416.58

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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.