Home / 340,961.88-511,360.68-104,306.60

Finding the Fourth Proportional to 340,961.88, 511,360.68 and 104,306.60

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Solution

The fourth proportional to 340,961.88, 511,360.68 and 104,306.60 is: 156,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,961.88 : 511,360.68 = 104,306.60 : x
  2. Step 2: Convert to fraction form
    340,961.88/511,360.68 = 104,306.60/x
  3. Step 3: Cross multiply
    340,961.88x = 511,360.68 × 104,306.60
  4. Step 4: Simplify right side
    340,961.88x = 53,338,293,904.49
  5. Step 5: Solve for x
    x = 53,338,293,904.49/340,961.88
  6. Step 6: Final answer
    x = 156,434.77

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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.