Home / 245,768.20-368,652.30-79,556.20

Finding the Fourth Proportional to 245,768.20, 368,652.30 and 79,556.20

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Solution

The fourth proportional to 245,768.20, 368,652.30 and 79,556.20 is: 119,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,768.20 : 368,652.30 = 79,556.20 : x
  2. Step 2: Convert to fraction form
    245,768.20/368,652.30 = 79,556.20/x
  3. Step 3: Cross multiply
    245,768.20x = 368,652.30 × 79,556.20
  4. Step 4: Simplify right side
    245,768.20x = 29,328,576,109.26
  5. Step 5: Solve for x
    x = 29,328,576,109.26/245,768.20
  6. Step 6: Final answer
    x = 119,334.30

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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.