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Finding the Fourth Proportional to 295,353.09, 443,008.22 and 115,404.69

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Solution

The fourth proportional to 295,353.09, 443,008.22 and 115,404.69 is: 173,098.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,353.09 : 443,008.22 = 115,404.69 : x
  2. Step 2: Convert to fraction form
    295,353.09/443,008.22 = 115,404.69/x
  3. Step 3: Cross multiply
    295,353.09x = 443,008.22 × 115,404.69
  4. Step 4: Simplify right side
    295,353.09x = 51,125,225,719.53
  5. Step 5: Solve for x
    x = 51,125,225,719.53/295,353.09
  6. Step 6: Final answer
    x = 173,098.67

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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.