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Finding the Fourth Proportional to 271,214.79, 374,582.78 and 185,025.75

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Solution

The fourth proportional to 271,214.79, 374,582.78 and 185,025.75 is: 255,544.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,214.79 : 374,582.78 = 185,025.75 : x
  2. Step 2: Convert to fraction form
    271,214.79/374,582.78 = 185,025.75/x
  3. Step 3: Cross multiply
    271,214.79x = 374,582.78 × 185,025.75
  4. Step 4: Simplify right side
    271,214.79x = 69,307,459,806.59
  5. Step 5: Solve for x
    x = 69,307,459,806.59/271,214.79
  6. Step 6: Final answer
    x = 255,544.54

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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.