Home / 271,775.10-407,579.60-129,545.44

Finding the Fourth Proportional to 271,775.10, 407,579.60 and 129,545.44

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Solution

The fourth proportional to 271,775.10, 407,579.60 and 129,545.44 is: 194,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,775.10 : 407,579.60 = 129,545.44 : x
  2. Step 2: Convert to fraction form
    271,775.10/407,579.60 = 129,545.44/x
  3. Step 3: Cross multiply
    271,775.10x = 407,579.60 × 129,545.44
  4. Step 4: Simplify right side
    271,775.10x = 52,800,077,921.94
  5. Step 5: Solve for x
    x = 52,800,077,921.94/271,775.10
  6. Step 6: Final answer
    x = 194,278.57

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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.