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Finding the Fourth Proportional to 271,010, 373,993.80 and 151,778

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Solution

The fourth proportional to 271,010, 373,993.80 and 151,778 is: 209,453.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,010 : 373,993.80 = 151,778 : x
  2. Step 2: Convert to fraction form
    271,010/373,993.80 = 151,778/x
  3. Step 3: Cross multiply
    271,010x = 373,993.80 × 151,778
  4. Step 4: Simplify right side
    271,010x = 56,764,030,976.40
  5. Step 5: Solve for x
    x = 56,764,030,976.40/271,010
  6. Step 6: Final answer
    x = 209,453.64

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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.