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Finding the Fourth Proportional to 340,679.88, 511,092.72 and 104,040

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Solution

The fourth proportional to 340,679.88, 511,092.72 and 104,040 is: 156,082.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,679.88 : 511,092.72 = 104,040 : x
  2. Step 2: Convert to fraction form
    340,679.88/511,092.72 = 104,040/x
  3. Step 3: Cross multiply
    340,679.88x = 511,092.72 × 104,040
  4. Step 4: Simplify right side
    340,679.88x = 53,174,086,588.80
  5. Step 5: Solve for x
    x = 53,174,086,588.80/340,679.88
  6. Step 6: Final answer
    x = 156,082.26

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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.