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Finding the Fourth Proportional to 222,371.73, 306,875.40 and 120,399.32

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Solution

The fourth proportional to 222,371.73, 306,875.40 and 120,399.32 is: 166,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,371.73 : 306,875.40 = 120,399.32 : x
  2. Step 2: Convert to fraction form
    222,371.73/306,875.40 = 120,399.32/x
  3. Step 3: Cross multiply
    222,371.73x = 306,875.40 × 120,399.32
  4. Step 4: Simplify right side
    222,371.73x = 36,947,589,484.73
  5. Step 5: Solve for x
    x = 36,947,589,484.73/222,371.73
  6. Step 6: Final answer
    x = 166,152.37

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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.