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Finding the Fourth Proportional to 271,340.82, 374,373.96 and 213,801.78

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Solution

The fourth proportional to 271,340.82, 374,373.96 and 213,801.78 is: 294,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,340.82 : 374,373.96 = 213,801.78 : x
  2. Step 2: Convert to fraction form
    271,340.82/374,373.96 = 213,801.78/x
  3. Step 3: Cross multiply
    271,340.82x = 374,373.96 × 213,801.78
  4. Step 4: Simplify right side
    271,340.82x = 80,041,819,033.65
  5. Step 5: Solve for x
    x = 80,041,819,033.65/271,340.82
  6. Step 6: Final answer
    x = 294,986.28

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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.