Home / 271,216.35-374,419.40-210,651.39

Finding the Fourth Proportional to 271,216.35, 374,419.40 and 210,651.39

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Solution

The fourth proportional to 271,216.35, 374,419.40 and 210,651.39 is: 290,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,216.35 : 374,419.40 = 210,651.39 : x
  2. Step 2: Convert to fraction form
    271,216.35/374,419.40 = 210,651.39/x
  3. Step 3: Cross multiply
    271,216.35x = 374,419.40 × 210,651.39
  4. Step 4: Simplify right side
    271,216.35x = 78,871,965,999.71
  5. Step 5: Solve for x
    x = 78,871,965,999.71/271,216.35
  6. Step 6: Final answer
    x = 290,808.30

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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.