Home / 271,233.36-406,803.60-71,555.81

Finding the Fourth Proportional to 271,233.36, 406,803.60 and 71,555.81

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Solution

The fourth proportional to 271,233.36, 406,803.60 and 71,555.81 is: 107,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,233.36 : 406,803.60 = 71,555.81 : x
  2. Step 2: Convert to fraction form
    271,233.36/406,803.60 = 71,555.81/x
  3. Step 3: Cross multiply
    271,233.36x = 406,803.60 × 71,555.81
  4. Step 4: Simplify right side
    271,233.36x = 29,109,159,074.90
  5. Step 5: Solve for x
    x = 29,109,159,074.90/271,233.36
  6. Step 6: Final answer
    x = 107,321.46

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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.