Home / 336,817.95-504,789.31-136,905.49

Finding the Fourth Proportional to 336,817.95, 504,789.31 and 136,905.49

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Solution

The fourth proportional to 336,817.95, 504,789.31 and 136,905.49 is: 205,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,817.95 : 504,789.31 = 136,905.49 : x
  2. Step 2: Convert to fraction form
    336,817.95/504,789.31 = 136,905.49/x
  3. Step 3: Cross multiply
    336,817.95x = 504,789.31 × 136,905.49
  4. Step 4: Simplify right side
    336,817.95x = 69,108,427,832.31
  5. Step 5: Solve for x
    x = 69,108,427,832.31/336,817.95
  6. Step 6: Final answer
    x = 205,180.36

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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.