Home / 340,405.20-469,771.92-187,450.02

Finding the Fourth Proportional to 340,405.20, 469,771.92 and 187,450.02

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Solution

The fourth proportional to 340,405.20, 469,771.92 and 187,450.02 is: 258,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,405.20 : 469,771.92 = 187,450.02 : x
  2. Step 2: Convert to fraction form
    340,405.20/469,771.92 = 187,450.02/x
  3. Step 3: Cross multiply
    340,405.20x = 469,771.92 × 187,450.02
  4. Step 4: Simplify right side
    340,405.20x = 88,058,755,799.44
  5. Step 5: Solve for x
    x = 88,058,755,799.44/340,405.20
  6. Step 6: Final answer
    x = 258,688.05

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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.