Home / 271,574.04-407,202.14-81,977.56

Finding the Fourth Proportional to 271,574.04, 407,202.14 and 81,977.56

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Solution

The fourth proportional to 271,574.04, 407,202.14 and 81,977.56 is: 122,918.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,574.04 : 407,202.14 = 81,977.56 : x
  2. Step 2: Convert to fraction form
    271,574.04/407,202.14 = 81,977.56/x
  3. Step 3: Cross multiply
    271,574.04x = 407,202.14 × 81,977.56
  4. Step 4: Simplify right side
    271,574.04x = 33,381,437,863.98
  5. Step 5: Solve for x
    x = 33,381,437,863.98/271,574.04
  6. Step 6: Final answer
    x = 122,918.37

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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.