Home / 271,258.11-406,840.73-71,580.60

Finding the Fourth Proportional to 271,258.11, 406,840.73 and 71,580.60

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Solution

The fourth proportional to 271,258.11, 406,840.73 and 71,580.60 is: 107,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,258.11 : 406,840.73 = 71,580.60 : x
  2. Step 2: Convert to fraction form
    271,258.11/406,840.73 = 71,580.60/x
  3. Step 3: Cross multiply
    271,258.11x = 406,840.73 × 71,580.60
  4. Step 4: Simplify right side
    271,258.11x = 29,121,903,199.94
  5. Step 5: Solve for x
    x = 29,121,903,199.94/271,258.11
  6. Step 6: Final answer
    x = 107,358.65

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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.