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Finding the Fourth Proportional to 222,252.58, 306,706.21 and 120,275.83

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Solution

The fourth proportional to 222,252.58, 306,706.21 and 120,275.83 is: 165,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,252.58 : 306,706.21 = 120,275.83 : x
  2. Step 2: Convert to fraction form
    222,252.58/306,706.21 = 120,275.83/x
  3. Step 3: Cross multiply
    222,252.58x = 306,706.21 × 120,275.83
  4. Step 4: Simplify right side
    222,252.58x = 36,889,343,973.90
  5. Step 5: Solve for x
    x = 36,889,343,973.90/222,252.58
  6. Step 6: Final answer
    x = 165,979.37

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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.