Home / 447,286.05-670,699.24-131,701.95

Finding the Fourth Proportional to 447,286.05, 670,699.24 and 131,701.95

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Solution

The fourth proportional to 447,286.05, 670,699.24 and 131,701.95 is: 197,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,286.05 : 670,699.24 = 131,701.95 : x
  2. Step 2: Convert to fraction form
    447,286.05/670,699.24 = 131,701.95/x
  3. Step 3: Cross multiply
    447,286.05x = 670,699.24 × 131,701.95
  4. Step 4: Simplify right side
    447,286.05x = 88,332,397,442.26
  5. Step 5: Solve for x
    x = 88,332,397,442.26/447,286.05
  6. Step 6: Final answer
    x = 197,485.25

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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.