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Finding the Fourth Proportional to 271,707.03, 407,429.46 and 113,893.11

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Solution

The fourth proportional to 271,707.03, 407,429.46 and 113,893.11 is: 170,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,707.03 : 407,429.46 = 113,893.11 : x
  2. Step 2: Convert to fraction form
    271,707.03/407,429.46 = 113,893.11/x
  3. Step 3: Cross multiply
    271,707.03x = 407,429.46 × 113,893.11
  4. Step 4: Simplify right side
    271,707.03x = 46,403,408,305.02
  5. Step 5: Solve for x
    x = 46,403,408,305.02/271,707.03
  6. Step 6: Final answer
    x = 170,784.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.