Home / 271,405.67-374,556.78-156,705.29

Finding the Fourth Proportional to 271,405.67, 374,556.78 and 156,705.29

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Solution

The fourth proportional to 271,405.67, 374,556.78 and 156,705.29 is: 216,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,405.67 : 374,556.78 = 156,705.29 : x
  2. Step 2: Convert to fraction form
    271,405.67/374,556.78 = 156,705.29/x
  3. Step 3: Cross multiply
    271,405.67x = 374,556.78 × 156,705.29
  4. Step 4: Simplify right side
    271,405.67x = 58,695,028,831.37
  5. Step 5: Solve for x
    x = 58,695,028,831.37/271,405.67
  6. Step 6: Final answer
    x = 216,263.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.