Home / 340,402.57-469,745.26-187,441.09

Finding the Fourth Proportional to 340,402.57, 469,745.26 and 187,441.09

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Solution

The fourth proportional to 340,402.57, 469,745.26 and 187,441.09 is: 258,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,402.57 : 469,745.26 = 187,441.09 : x
  2. Step 2: Convert to fraction form
    340,402.57/469,745.26 = 187,441.09/x
  3. Step 3: Cross multiply
    340,402.57x = 469,745.26 × 187,441.09
  4. Step 4: Simplify right side
    340,402.57x = 88,049,563,556.73
  5. Step 5: Solve for x
    x = 88,049,563,556.73/340,402.57
  6. Step 6: Final answer
    x = 258,663.04

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1.5x scale

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.