Home / 207,329.20-311,321.85-157,465.60

Finding the Fourth Proportional to 207,329.20, 311,321.85 and 157,465.60

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Solution

The fourth proportional to 207,329.20, 311,321.85 and 157,465.60 is: 236,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,329.20 : 311,321.85 = 157,465.60 : x
  2. Step 2: Convert to fraction form
    207,329.20/311,321.85 = 157,465.60/x
  3. Step 3: Cross multiply
    207,329.20x = 311,321.85 × 157,465.60
  4. Step 4: Simplify right side
    207,329.20x = 49,022,481,903.36
  5. Step 5: Solve for x
    x = 49,022,481,903.36/207,329.20
  6. Step 6: Final answer
    x = 236,447.55

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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.