Finding the Fourth Proportional to 222,335.73, 306,821.21 and 120,358.58
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Solution
The fourth proportional to 222,335.73, 306,821.21 and 120,358.58 is: 166,093.70
Step by Step Solution
- Step 1: Write the proportion equation
222,335.73 : 306,821.21 = 120,358.58 : x - Step 2: Convert to fraction form
222,335.73/306,821.21 = 120,358.58/x - Step 3: Cross multiply
222,335.73x = 306,821.21 × 120,358.58 - Step 4: Simplify right side
222,335.73x = 36,928,565,149.48 - Step 5: Solve for x
x = 36,928,565,149.48/222,335.73 - Step 6: Final answer
x = 166,093.70
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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.