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Finding the Fourth Proportional to 567,877.07, 851,631.20 and 188,695.97

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Solution

The fourth proportional to 567,877.07, 851,631.20 and 188,695.97 is: 282,982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,877.07 : 851,631.20 = 188,695.97 : x
  2. Step 2: Convert to fraction form
    567,877.07/851,631.20 = 188,695.97/x
  3. Step 3: Cross multiply
    567,877.07x = 851,631.20 × 188,695.97
  4. Step 4: Simplify right side
    567,877.07x = 160,699,375,366.26
  5. Step 5: Solve for x
    x = 160,699,375,366.26/567,877.07
  6. Step 6: Final answer
    x = 282,982.68

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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.