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Finding the Fourth Proportional to 340,706.48, 511,137.48 and 104,082.80

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Solution

The fourth proportional to 340,706.48, 511,137.48 and 104,082.80 is: 156,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,706.48 : 511,137.48 = 104,082.80 : x
  2. Step 2: Convert to fraction form
    340,706.48/511,137.48 = 104,082.80/x
  3. Step 3: Cross multiply
    340,706.48x = 511,137.48 × 104,082.80
  4. Step 4: Simplify right side
    340,706.48x = 53,200,620,103.34
  5. Step 5: Solve for x
    x = 53,200,620,103.34/340,706.48
  6. Step 6: Final answer
    x = 156,147.95

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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.