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Finding the Fourth Proportional to 219,385.01, 329,051.99 and 61,626.98

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Solution

The fourth proportional to 219,385.01, 329,051.99 and 61,626.98 is: 92,433.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,385.01 : 329,051.99 = 61,626.98 : x
  2. Step 2: Convert to fraction form
    219,385.01/329,051.99 = 61,626.98/x
  3. Step 3: Cross multiply
    219,385.01x = 329,051.99 × 61,626.98
  4. Step 4: Simplify right side
    219,385.01x = 20,278,478,453.30
  5. Step 5: Solve for x
    x = 20,278,478,453.30/219,385.01
  6. Step 6: Final answer
    x = 92,433.29

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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.