Home / 251,335.20-346,787.50-149,394.54

Finding the Fourth Proportional to 251,335.20, 346,787.50 and 149,394.54

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Solution

The fourth proportional to 251,335.20, 346,787.50 and 149,394.54 is: 206,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,335.20 : 346,787.50 = 149,394.54 : x
  2. Step 2: Convert to fraction form
    251,335.20/346,787.50 = 149,394.54/x
  3. Step 3: Cross multiply
    251,335.20x = 346,787.50 × 149,394.54
  4. Step 4: Simplify right side
    251,335.20x = 51,808,159,040.25
  5. Step 5: Solve for x
    x = 51,808,159,040.25/251,335.20
  6. Step 6: Final answer
    x = 206,131.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.