Home / 271,552.15-407,339.16-129,324.25

Finding the Fourth Proportional to 271,552.15, 407,339.16 and 129,324.25

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Solution

The fourth proportional to 271,552.15, 407,339.16 and 129,324.25 is: 193,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,552.15 : 407,339.16 = 129,324.25 : x
  2. Step 2: Convert to fraction form
    271,552.15/407,339.16 = 129,324.25/x
  3. Step 3: Cross multiply
    271,552.15x = 407,339.16 × 129,324.25
  4. Step 4: Simplify right side
    271,552.15x = 52,678,831,362.63
  5. Step 5: Solve for x
    x = 52,678,831,362.63/271,552.15
  6. Step 6: Final answer
    x = 193,991.58

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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.