Home / 271,822.82-407,554.26-129,690.03

Finding the Fourth Proportional to 271,822.82, 407,554.26 and 129,690.03

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Solution

The fourth proportional to 271,822.82, 407,554.26 and 129,690.03 is: 194,449.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,822.82 : 407,554.26 = 129,690.03 : x
  2. Step 2: Convert to fraction form
    271,822.82/407,554.26 = 129,690.03/x
  3. Step 3: Cross multiply
    271,822.82x = 407,554.26 × 129,690.03
  4. Step 4: Simplify right side
    271,822.82x = 52,855,724,206.03
  5. Step 5: Solve for x
    x = 52,855,724,206.03/271,822.82
  6. Step 6: Final answer
    x = 194,449.18

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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.