Home / 447,069.40-670,539.30-131,493.40

Finding the Fourth Proportional to 447,069.40, 670,539.30 and 131,493.40

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Solution

The fourth proportional to 447,069.40, 670,539.30 and 131,493.40 is: 197,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,069.40 : 670,539.30 = 131,493.40 : x
  2. Step 2: Convert to fraction form
    447,069.40/670,539.30 = 131,493.40/x
  3. Step 3: Cross multiply
    447,069.40x = 670,539.30 × 131,493.40
  4. Step 4: Simplify right side
    447,069.40x = 88,171,492,390.62
  5. Step 5: Solve for x
    x = 88,171,492,390.62/447,069.40
  6. Step 6: Final answer
    x = 197,221.04

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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.