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Finding the Fourth Proportional to 188,081.90, 264,014.50 and 188,081.90

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Solution

The fourth proportional to 188,081.90, 264,014.50 and 188,081.90 is: 264,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,081.90 : 264,014.50 = 188,081.90 : x
  2. Step 2: Convert to fraction form
    188,081.90/264,014.50 = 188,081.90/x
  3. Step 3: Cross multiply
    188,081.90x = 264,014.50 × 188,081.90
  4. Step 4: Simplify right side
    188,081.90x = 49,656,348,787.55
  5. Step 5: Solve for x
    x = 49,656,348,787.55/188,081.90
  6. Step 6: Final answer
    x = 264,014.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.