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Finding the Fourth Proportional to 295,758.30, 443,819.70 and 118,246.80

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Solution

The fourth proportional to 295,758.30, 443,819.70 and 118,246.80 is: 177,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,758.30 : 443,819.70 = 118,246.80 : x
  2. Step 2: Convert to fraction form
    295,758.30/443,819.70 = 118,246.80/x
  3. Step 3: Cross multiply
    295,758.30x = 443,819.70 × 118,246.80
  4. Step 4: Simplify right side
    295,758.30x = 52,480,259,301.96
  5. Step 5: Solve for x
    x = 52,480,259,301.96/295,758.30
  6. Step 6: Final answer
    x = 177,443.07

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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.