Home / 451,446.57-677,402.66-211,584.84

Finding the Fourth Proportional to 451,446.57, 677,402.66 and 211,584.84

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Solution

The fourth proportional to 451,446.57, 677,402.66 and 211,584.84 is: 317,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,446.57 : 677,402.66 = 211,584.84 : x
  2. Step 2: Convert to fraction form
    451,446.57/677,402.66 = 211,584.84/x
  3. Step 3: Cross multiply
    451,446.57x = 677,402.66 × 211,584.84
  4. Step 4: Simplify right side
    451,446.57x = 143,328,132,373.75
  5. Step 5: Solve for x
    x = 143,328,132,373.75/451,446.57
  6. Step 6: Final answer
    x = 317,486.37

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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.