Home / 271,729.28-407,462.79-113,915.36

Finding the Fourth Proportional to 271,729.28, 407,462.79 and 113,915.36

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Solution

The fourth proportional to 271,729.28, 407,462.79 and 113,915.36 is: 170,818.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,729.28 : 407,462.79 = 113,915.36 : x
  2. Step 2: Convert to fraction form
    271,729.28/407,462.79 = 113,915.36/x
  3. Step 3: Cross multiply
    271,729.28x = 407,462.79 × 113,915.36
  4. Step 4: Simplify right side
    271,729.28x = 46,416,270,409.45
  5. Step 5: Solve for x
    x = 46,416,270,409.45/271,729.28
  6. Step 6: Final answer
    x = 170,818.07

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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.