Home / 271,731.15-407,667.20-103,254.39

Finding the Fourth Proportional to 271,731.15, 407,667.20 and 103,254.39

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Solution

The fourth proportional to 271,731.15, 407,667.20 and 103,254.39 is: 154,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,731.15 : 407,667.20 = 103,254.39 : x
  2. Step 2: Convert to fraction form
    271,731.15/407,667.20 = 103,254.39/x
  3. Step 3: Cross multiply
    271,731.15x = 407,667.20 × 103,254.39
  4. Step 4: Simplify right side
    271,731.15x = 42,093,428,059.01
  5. Step 5: Solve for x
    x = 42,093,428,059.01/271,731.15
  6. Step 6: Final answer
    x = 154,908.36

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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.