Home / 271,120.32-406,598.51-81,530.36

Finding the Fourth Proportional to 271,120.32, 406,598.51 and 81,530.36

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Solution

The fourth proportional to 271,120.32, 406,598.51 and 81,530.36 is: 122,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,120.32 : 406,598.51 = 81,530.36 : x
  2. Step 2: Convert to fraction form
    271,120.32/406,598.51 = 81,530.36/x
  3. Step 3: Cross multiply
    271,120.32x = 406,598.51 × 81,530.36
  4. Step 4: Simplify right side
    271,120.32x = 33,150,123,962.35
  5. Step 5: Solve for x
    x = 33,150,123,962.35/271,120.32
  6. Step 6: Final answer
    x = 122,270.89

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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.