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Finding the Fourth Proportional to 567,656.91, 851,277.60 and 188,508.87

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Solution

The fourth proportional to 567,656.91, 851,277.60 and 188,508.87 is: 282,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,656.91 : 851,277.60 = 188,508.87 : x
  2. Step 2: Convert to fraction form
    567,656.91/851,277.60 = 188,508.87/x
  3. Step 3: Cross multiply
    567,656.91x = 851,277.60 × 188,508.87
  4. Step 4: Simplify right side
    567,656.91x = 160,473,378,432.31
  5. Step 5: Solve for x
    x = 160,473,378,432.31/567,656.91
  6. Step 6: Final answer
    x = 282,694.31

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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.