Home / 447,147.07-670,721.04-180,909.86

Finding the Fourth Proportional to 447,147.07, 670,721.04 and 180,909.86

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Solution

The fourth proportional to 447,147.07, 670,721.04 and 180,909.86 is: 271,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,147.07 : 670,721.04 = 180,909.86 : x
  2. Step 2: Convert to fraction form
    447,147.07/670,721.04 = 180,909.86/x
  3. Step 3: Cross multiply
    447,147.07x = 670,721.04 × 180,909.86
  4. Step 4: Simplify right side
    447,147.07x = 121,340,046,091.85
  5. Step 5: Solve for x
    x = 121,340,046,091.85/447,147.07
  6. Step 6: Final answer
    x = 271,364.96

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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.