Home / 207,627.80-311,441.70-141,272.60

Finding the Fourth Proportional to 207,627.80, 311,441.70 and 141,272.60

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Solution

The fourth proportional to 207,627.80, 311,441.70 and 141,272.60 is: 211,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,627.80 : 311,441.70 = 141,272.60 : x
  2. Step 2: Convert to fraction form
    207,627.80/311,441.70 = 141,272.60/x
  3. Step 3: Cross multiply
    207,627.80x = 311,441.70 × 141,272.60
  4. Step 4: Simplify right side
    207,627.80x = 43,998,178,707.42
  5. Step 5: Solve for x
    x = 43,998,178,707.42/207,627.80
  6. Step 6: Final answer
    x = 211,908.90

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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.