Finding the Fourth Proportional to 222,459.08, 306,994.44 and 120,485.75
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Solution
The fourth proportional to 222,459.08, 306,994.44 and 120,485.75 is: 166,270.83
Step by Step Solution
- Step 1: Write the proportion equation
222,459.08 : 306,994.44 = 120,485.75 : x - Step 2: Convert to fraction form
222,459.08/306,994.44 = 120,485.75/x - Step 3: Cross multiply
222,459.08x = 306,994.44 × 120,485.75 - Step 4: Simplify right side
222,459.08x = 36,988,455,349.23 - Step 5: Solve for x
x = 36,988,455,349.23/222,459.08 - Step 6: Final answer
x = 166,270.83
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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.