Home / 222,217.41-306,657.81-120,240.63

Finding the Fourth Proportional to 222,217.41, 306,657.81 and 120,240.63

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Solution

The fourth proportional to 222,217.41, 306,657.81 and 120,240.63 is: 165,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,217.41 : 306,657.81 = 120,240.63 : x
  2. Step 2: Convert to fraction form
    222,217.41/306,657.81 = 120,240.63/x
  3. Step 3: Cross multiply
    222,217.41x = 306,657.81 × 120,240.63
  4. Step 4: Simplify right side
    222,217.41x = 36,872,728,268.82
  5. Step 5: Solve for x
    x = 36,872,728,268.82/222,217.41
  6. Step 6: Final answer
    x = 165,930.87

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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.