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Finding the Fourth Proportional to 271,368.09, 374,055.40 and 213,913.78

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Solution

The fourth proportional to 271,368.09, 374,055.40 and 213,913.78 is: 294,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,368.09 : 374,055.40 = 213,913.78 : x
  2. Step 2: Convert to fraction form
    271,368.09/374,055.40 = 213,913.78/x
  3. Step 3: Cross multiply
    271,368.09x = 374,055.40 × 213,913.78
  4. Step 4: Simplify right side
    271,368.09x = 80,015,604,543.41
  5. Step 5: Solve for x
    x = 80,015,604,543.41/271,368.09
  6. Step 6: Final answer
    x = 294,860.04

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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.