Home / 271,974.97-407,962.37-84,986.47

Finding the Fourth Proportional to 271,974.97, 407,962.37 and 84,986.47

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Solution

The fourth proportional to 271,974.97, 407,962.37 and 84,986.47 is: 127,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,974.97 : 407,962.37 = 84,986.47 : x
  2. Step 2: Convert to fraction form
    271,974.97/407,962.37 = 84,986.47/x
  3. Step 3: Cross multiply
    271,974.97x = 407,962.37 × 84,986.47
  4. Step 4: Simplify right side
    271,974.97x = 34,671,280,146.76
  5. Step 5: Solve for x
    x = 34,671,280,146.76/271,974.97
  6. Step 6: Final answer
    x = 127,479.67

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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.