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Finding the Fourth Proportional to 295,774.50, 443,484.06 and 115,645.33

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Solution

The fourth proportional to 295,774.50, 443,484.06 and 115,645.33 is: 173,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,774.50 : 443,484.06 = 115,645.33 : x
  2. Step 2: Convert to fraction form
    295,774.50/443,484.06 = 115,645.33/x
  3. Step 3: Cross multiply
    295,774.50x = 443,484.06 × 115,645.33
  4. Step 4: Simplify right side
    295,774.50x = 51,286,859,992.33
  5. Step 5: Solve for x
    x = 51,286,859,992.33/295,774.50
  6. Step 6: Final answer
    x = 173,398.52

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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.