Home / 271,366.09-374,052.65-213,911.78

Finding the Fourth Proportional to 271,366.09, 374,052.65 and 213,911.78

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Solution

The fourth proportional to 271,366.09, 374,052.65 and 213,911.78 is: 294,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,366.09 : 374,052.65 = 213,911.78 : x
  2. Step 2: Convert to fraction form
    271,366.09/374,052.65 = 213,911.78/x
  3. Step 3: Cross multiply
    271,366.09x = 374,052.65 × 213,911.78
  4. Step 4: Simplify right side
    271,366.09x = 80,014,265,235.39
  5. Step 5: Solve for x
    x = 80,014,265,235.39/271,366.09
  6. Step 6: Final answer
    x = 294,857.27

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1.5x scale

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.