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Finding the Fourth Proportional to 340,804.88, 511,434.84 and 119,188.88

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Solution

The fourth proportional to 340,804.88, 511,434.84 and 119,188.88 is: 178,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,804.88 : 511,434.84 = 119,188.88 : x
  2. Step 2: Convert to fraction form
    340,804.88/511,434.84 = 119,188.88/x
  3. Step 3: Cross multiply
    340,804.88x = 511,434.84 × 119,188.88
  4. Step 4: Simplify right side
    340,804.88x = 60,957,345,772.58
  5. Step 5: Solve for x
    x = 60,957,345,772.58/340,804.88
  6. Step 6: Final answer
    x = 178,862.89

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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.