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Finding the Fourth Proportional to 549,854.73, 824,911.09 and 170,755.90

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Solution

The fourth proportional to 549,854.73, 824,911.09 and 170,755.90 is: 256,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,854.73 : 824,911.09 = 170,755.90 : x
  2. Step 2: Convert to fraction form
    549,854.73/824,911.09 = 170,755.90/x
  3. Step 3: Cross multiply
    549,854.73x = 824,911.09 × 170,755.90
  4. Step 4: Simplify right side
    549,854.73x = 140,858,433,103.76
  5. Step 5: Solve for x
    x = 140,858,433,103.76/549,854.73
  6. Step 6: Final answer
    x = 256,173.90

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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.