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Finding the Fourth Proportional to 220,103.34, 330,103.41 and 70,357.02

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Solution

The fourth proportional to 220,103.34, 330,103.41 and 70,357.02 is: 105,519.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,103.34 : 330,103.41 = 70,357.02 : x
  2. Step 2: Convert to fraction form
    220,103.34/330,103.41 = 70,357.02/x
  3. Step 3: Cross multiply
    220,103.34x = 330,103.41 × 70,357.02
  4. Step 4: Simplify right side
    220,103.34x = 23,225,092,219.44
  5. Step 5: Solve for x
    x = 23,225,092,219.44/220,103.34
  6. Step 6: Final answer
    x = 105,519.04

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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.