Home / 271,974.33-407,961.42-84,985.83

Finding the Fourth Proportional to 271,974.33, 407,961.42 and 84,985.83

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Solution

The fourth proportional to 271,974.33, 407,961.42 and 84,985.83 is: 127,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,974.33 : 407,961.42 = 84,985.83 : x
  2. Step 2: Convert to fraction form
    271,974.33/407,961.42 = 84,985.83/x
  3. Step 3: Cross multiply
    271,974.33x = 407,961.42 × 84,985.83
  4. Step 4: Simplify right side
    271,974.33x = 34,670,941,312.93
  5. Step 5: Solve for x
    x = 34,670,941,312.93/271,974.33
  6. Step 6: Final answer
    x = 127,478.73

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1.5x scale

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.