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Finding the Fourth Proportional to 567,688.68, 851,324.58 and 188,540.64

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Solution

The fourth proportional to 567,688.68, 851,324.58 and 188,540.64 is: 282,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,688.68 : 851,324.58 = 188,540.64 : x
  2. Step 2: Convert to fraction form
    567,688.68/851,324.58 = 188,540.64/x
  3. Step 3: Cross multiply
    567,688.68x = 851,324.58 × 188,540.64
  4. Step 4: Simplify right side
    567,688.68x = 160,509,281,160.93
  5. Step 5: Solve for x
    x = 160,509,281,160.93/567,688.68
  6. Step 6: Final answer
    x = 282,741.73

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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.