Home / 207,415.22-311,308.29-106,282.26

Finding the Fourth Proportional to 207,415.22, 311,308.29 and 106,282.26

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Solution

The fourth proportional to 207,415.22, 311,308.29 and 106,282.26 is: 159,518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,415.22 : 311,308.29 = 106,282.26 : x
  2. Step 2: Convert to fraction form
    207,415.22/311,308.29 = 106,282.26/x
  3. Step 3: Cross multiply
    207,415.22x = 311,308.29 × 106,282.26
  4. Step 4: Simplify right side
    207,415.22x = 33,086,548,617.94
  5. Step 5: Solve for x
    x = 33,086,548,617.94/207,415.22
  6. Step 6: Final answer
    x = 159,518.43

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1.5x scale

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.