Home / 271,464.60-374,578.88-155,176.40

Finding the Fourth Proportional to 271,464.60, 374,578.88 and 155,176.40

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Solution

The fourth proportional to 271,464.60, 374,578.88 and 155,176.40 is: 214,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,464.60 : 374,578.88 = 155,176.40 : x
  2. Step 2: Convert to fraction form
    271,464.60/374,578.88 = 155,176.40/x
  3. Step 3: Cross multiply
    271,464.60x = 374,578.88 × 155,176.40
  4. Step 4: Simplify right side
    271,464.60x = 58,125,802,114.43
  5. Step 5: Solve for x
    x = 58,125,802,114.43/271,464.60
  6. Step 6: Final answer
    x = 214,119.27

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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.