Finding the Fourth Proportional to 222,458.08, 306,993.06 and 120,484.75
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Solution
The fourth proportional to 222,458.08, 306,993.06 and 120,484.75 is: 166,269.44
Step by Step Solution
- Step 1: Write the proportion equation
222,458.08 : 306,993.06 = 120,484.75 : x - Step 2: Convert to fraction form
222,458.08/306,993.06 = 120,484.75/x - Step 3: Cross multiply
222,458.08x = 306,993.06 × 120,484.75 - Step 4: Simplify right side
222,458.08x = 36,987,980,550.87 - Step 5: Solve for x
x = 36,987,980,550.87/222,458.08 - Step 6: Final answer
x = 166,269.44
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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.