Home / 340,787.28-511,272.94-104,123.48

Finding the Fourth Proportional to 340,787.28, 511,272.94 and 104,123.48

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Solution

The fourth proportional to 340,787.28, 511,272.94 and 104,123.48 is: 156,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,787.28 : 511,272.94 = 104,123.48 : x
  2. Step 2: Convert to fraction form
    340,787.28/511,272.94 = 104,123.48/x
  3. Step 3: Cross multiply
    340,787.28x = 511,272.94 × 104,123.48
  4. Step 4: Simplify right side
    340,787.28x = 53,235,517,742.63
  5. Step 5: Solve for x
    x = 53,235,517,742.63/340,787.28
  6. Step 6: Final answer
    x = 156,213.34

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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.