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Finding the Fourth Proportional to 222,033.80, 306,388.12 and 125,232.32

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Solution

The fourth proportional to 222,033.80, 306,388.12 and 125,232.32 is: 172,810.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,033.80 : 306,388.12 = 125,232.32 : x
  2. Step 2: Convert to fraction form
    222,033.80/306,388.12 = 125,232.32/x
  3. Step 3: Cross multiply
    222,033.80x = 306,388.12 × 125,232.32
  4. Step 4: Simplify right side
    222,033.80x = 38,369,692,929.94
  5. Step 5: Solve for x
    x = 38,369,692,929.94/222,033.80
  6. Step 6: Final answer
    x = 172,810.15

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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.