Home / 451,820.24-677,289.72-215,099.36

Finding the Fourth Proportional to 451,820.24, 677,289.72 and 215,099.36

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Solution

The fourth proportional to 451,820.24, 677,289.72 and 215,099.36 is: 322,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,820.24 : 677,289.72 = 215,099.36 : x
  2. Step 2: Convert to fraction form
    451,820.24/677,289.72 = 215,099.36/x
  3. Step 3: Cross multiply
    451,820.24x = 677,289.72 × 215,099.36
  4. Step 4: Simplify right side
    451,820.24x = 145,684,585,306.58
  5. Step 5: Solve for x
    x = 145,684,585,306.58/451,820.24
  6. Step 6: Final answer
    x = 322,439.26

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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.