Home / 271,182.84-406,728.02-71,505.18

Finding the Fourth Proportional to 271,182.84, 406,728.02 and 71,505.18

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Solution

The fourth proportional to 271,182.84, 406,728.02 and 71,505.18 is: 107,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,182.84 : 406,728.02 = 71,505.18 : x
  2. Step 2: Convert to fraction form
    271,182.84/406,728.02 = 71,505.18/x
  3. Step 3: Cross multiply
    271,182.84x = 406,728.02 × 71,505.18
  4. Step 4: Simplify right side
    271,182.84x = 29,083,160,281.14
  5. Step 5: Solve for x
    x = 29,083,160,281.14/271,182.84
  6. Step 6: Final answer
    x = 107,245.58

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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.