Finding the Fourth Proportional to 222,202.08, 306,646.56 and 121,600.08
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Solution
The fourth proportional to 222,202.08, 306,646.56 and 121,600.08 is: 167,812.32
Step by Step Solution
- Step 1: Write the proportion equation
222,202.08 : 306,646.56 = 121,600.08 : x - Step 2: Convert to fraction form
222,202.08/306,646.56 = 121,600.08/x - Step 3: Cross multiply
222,202.08x = 306,646.56 × 121,600.08 - Step 4: Simplify right side
222,202.08x = 37,288,246,227.72 - Step 5: Solve for x
x = 37,288,246,227.72/222,202.08 - Step 6: Final answer
x = 167,812.32
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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.