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Finding the Fourth Proportional to 271,501.90, 407,253.35 and 111,466.42

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Solution

The fourth proportional to 271,501.90, 407,253.35 and 111,466.42 is: 167,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,501.90 : 407,253.35 = 111,466.42 : x
  2. Step 2: Convert to fraction form
    271,501.90/407,253.35 = 111,466.42/x
  3. Step 3: Cross multiply
    271,501.90x = 407,253.35 × 111,466.42
  4. Step 4: Simplify right side
    271,501.90x = 45,395,072,218.04
  5. Step 5: Solve for x
    x = 45,395,072,218.04/271,501.90
  6. Step 6: Final answer
    x = 167,199.83

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1.5x scale

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.