Home / 271,531.56-407,595.30-215,730.36

Finding the Fourth Proportional to 271,531.56, 407,595.30 and 215,730.36

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Solution

The fourth proportional to 271,531.56, 407,595.30 and 215,730.36 is: 323,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,531.56 : 407,595.30 = 215,730.36 : x
  2. Step 2: Convert to fraction form
    271,531.56/407,595.30 = 215,730.36/x
  3. Step 3: Cross multiply
    271,531.56x = 407,595.30 × 215,730.36
  4. Step 4: Simplify right side
    271,531.56x = 87,930,680,803.31
  5. Step 5: Solve for x
    x = 87,930,680,803.31/271,531.56
  6. Step 6: Final answer
    x = 323,832.27

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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.