Finding the Fourth Proportional to 222,460.08, 306,995.84 and 120,486.72
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Solution
The fourth proportional to 222,460.08, 306,995.84 and 120,486.72 is: 166,272.18
Step by Step Solution
- Step 1: Write the proportion equation
222,460.08 : 306,995.84 = 120,486.72 : x - Step 2: Convert to fraction form
222,460.08/306,995.84 = 120,486.72/x - Step 3: Cross multiply
222,460.08x = 306,995.84 × 120,486.72 - Step 4: Simplify right side
222,460.08x = 36,988,921,815.24 - Step 5: Solve for x
x = 36,988,921,815.24/222,460.08 - Step 6: Final answer
x = 166,272.18
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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.