Finding the Fourth Proportional to 222,984.05, 307,718.79 and 121,009.49
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Solution
The fourth proportional to 222,984.05, 307,718.79 and 121,009.49 is: 166,993.53
Step by Step Solution
- Step 1: Write the proportion equation
222,984.05 : 307,718.79 = 121,009.49 : x - Step 2: Convert to fraction form
222,984.05/307,718.79 = 121,009.49/x - Step 3: Cross multiply
222,984.05x = 307,718.79 × 121,009.49 - Step 4: Simplify right side
222,984.05x = 37,236,893,841.32 - Step 5: Solve for x
x = 37,236,893,841.32/222,984.05 - Step 6: Final answer
x = 166,993.53
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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.