Home / 207,022.20-310,533.30-193,900.20

Finding the Fourth Proportional to 207,022.20, 310,533.30 and 193,900.20

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Solution

The fourth proportional to 207,022.20, 310,533.30 and 193,900.20 is: 290,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,022.20 : 310,533.30 = 193,900.20 : x
  2. Step 2: Convert to fraction form
    207,022.20/310,533.30 = 193,900.20/x
  3. Step 3: Cross multiply
    207,022.20x = 310,533.30 × 193,900.20
  4. Step 4: Simplify right side
    207,022.20x = 60,212,468,976.66
  5. Step 5: Solve for x
    x = 60,212,468,976.66/207,022.20
  6. Step 6: Final answer
    x = 290,850.30

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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.