Home / 271,051.03-406,505.69-81,460.69

Finding the Fourth Proportional to 271,051.03, 406,505.69 and 81,460.69

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Solution

The fourth proportional to 271,051.03, 406,505.69 and 81,460.69 is: 122,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,051.03 : 406,505.69 = 81,460.69 : x
  2. Step 2: Convert to fraction form
    271,051.03/406,505.69 = 81,460.69/x
  3. Step 3: Cross multiply
    271,051.03x = 406,505.69 × 81,460.69
  4. Step 4: Simplify right side
    271,051.03x = 33,114,232,878.24
  5. Step 5: Solve for x
    x = 33,114,232,878.24/271,051.03
  6. Step 6: Final answer
    x = 122,169.74

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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.