Home / 220,400.35-330,574.24-130,496.83

Finding the Fourth Proportional to 220,400.35, 330,574.24 and 130,496.83

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Solution

The fourth proportional to 220,400.35, 330,574.24 and 130,496.83 is: 195,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,400.35 : 330,574.24 = 130,496.83 : x
  2. Step 2: Convert to fraction form
    220,400.35/330,574.24 = 130,496.83/x
  3. Step 3: Cross multiply
    220,400.35x = 330,574.24 × 130,496.83
  4. Step 4: Simplify right side
    220,400.35x = 43,138,889,736.34
  5. Step 5: Solve for x
    x = 43,138,889,736.34/220,400.35
  6. Step 6: Final answer
    x = 195,729.68

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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.