Home / 454,989.20-682,483.82-122,565.20

Finding the Fourth Proportional to 454,989.20, 682,483.82 and 122,565.20

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Solution

The fourth proportional to 454,989.20, 682,483.82 and 122,565.20 is: 183,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,989.20 : 682,483.82 = 122,565.20 : x
  2. Step 2: Convert to fraction form
    454,989.20/682,483.82 = 122,565.20/x
  3. Step 3: Cross multiply
    454,989.20x = 682,483.82 × 122,565.20
  4. Step 4: Simplify right side
    454,989.20x = 83,648,761,869.82
  5. Step 5: Solve for x
    x = 83,648,761,869.82/454,989.20
  6. Step 6: Final answer
    x = 183,847.80

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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.