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Finding the Fourth Proportional to 295,717.76, 443,752.32 and 108,860.48

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Solution

The fourth proportional to 295,717.76, 443,752.32 and 108,860.48 is: 163,355.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,717.76 : 443,752.32 = 108,860.48 : x
  2. Step 2: Convert to fraction form
    295,717.76/443,752.32 = 108,860.48/x
  3. Step 3: Cross multiply
    295,717.76x = 443,752.32 × 108,860.48
  4. Step 4: Simplify right side
    295,717.76x = 48,307,090,556.31
  5. Step 5: Solve for x
    x = 48,307,090,556.31/295,717.76
  6. Step 6: Final answer
    x = 163,355.39

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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.