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Finding the Fourth Proportional to 147,042, 220,563 and 36,234

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Solution

The fourth proportional to 147,042, 220,563 and 36,234 is: 54,351

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,042 : 220,563 = 36,234 : x
  2. Step 2: Convert to fraction form
    147,042/220,563 = 36,234/x
  3. Step 3: Cross multiply
    147,042x = 220,563 × 36,234
  4. Step 4: Simplify right side
    147,042x = 7,991,879,742
  5. Step 5: Solve for x
    x = 7,991,879,742/147,042
  6. Step 6: Final answer
    x = 54,351

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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.