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Finding the Fourth Proportional to 567,695.98, 851,609.85 and 188,650.54

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Solution

The fourth proportional to 567,695.98, 851,609.85 and 188,650.54 is: 282,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,695.98 : 851,609.85 = 188,650.54 : x
  2. Step 2: Convert to fraction form
    567,695.98/851,609.85 = 188,650.54/x
  3. Step 3: Cross multiply
    567,695.98x = 851,609.85 × 188,650.54
  4. Step 4: Simplify right side
    567,695.98x = 160,656,658,071.82
  5. Step 5: Solve for x
    x = 160,656,658,071.82/567,695.98
  6. Step 6: Final answer
    x = 282,997.70

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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.