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Finding the Fourth Proportional to 341,967.45, 512,961.58 and 117,324.73

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Solution

The fourth proportional to 341,967.45, 512,961.58 and 117,324.73 is: 175,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,967.45 : 512,961.58 = 117,324.73 : x
  2. Step 2: Convert to fraction form
    341,967.45/512,961.58 = 117,324.73/x
  3. Step 3: Cross multiply
    341,967.45x = 512,961.58 × 117,324.73
  4. Step 4: Simplify right side
    341,967.45x = 60,183,078,549.00
  5. Step 5: Solve for x
    x = 60,183,078,549.00/341,967.45
  6. Step 6: Final answer
    x = 175,990.67

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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.