Home / 271,837.49-407,673-129,607.76

Finding the Fourth Proportional to 271,837.49, 407,673 and 129,607.76

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Solution

The fourth proportional to 271,837.49, 407,673 and 129,607.76 is: 194,371.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,837.49 : 407,673 = 129,607.76 : x
  2. Step 2: Convert to fraction form
    271,837.49/407,673 = 129,607.76/x
  3. Step 3: Cross multiply
    271,837.49x = 407,673 × 129,607.76
  4. Step 4: Simplify right side
    271,837.49x = 52,837,585,361.66
  5. Step 5: Solve for x
    x = 52,837,585,361.66/271,837.49
  6. Step 6: Final answer
    x = 194,371.96

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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.