Home / 255,964.89-383,648.34-192,581.34

Finding the Fourth Proportional to 255,964.89, 383,648.34 and 192,581.34

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Solution

The fourth proportional to 255,964.89, 383,648.34 and 192,581.34 is: 288,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,964.89 : 383,648.34 = 192,581.34 : x
  2. Step 2: Convert to fraction form
    255,964.89/383,648.34 = 192,581.34/x
  3. Step 3: Cross multiply
    255,964.89x = 383,648.34 × 192,581.34
  4. Step 4: Simplify right side
    255,964.89x = 73,883,511,405.98
  5. Step 5: Solve for x
    x = 73,883,511,405.98/255,964.89
  6. Step 6: Final answer
    x = 288,647.05

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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.