Finding the Fourth Proportional to 222,032.91, 306,407.84 and 121,428.75
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Solution
The fourth proportional to 222,032.91, 306,407.84 and 121,428.75 is: 167,573.00
Step by Step Solution
- Step 1: Write the proportion equation
222,032.91 : 306,407.84 = 121,428.75 : x - Step 2: Convert to fraction form
222,032.91/306,407.84 = 121,428.75/x - Step 3: Cross multiply
222,032.91x = 306,407.84 × 121,428.75 - Step 4: Simplify right side
222,032.91x = 37,206,720,394.26 - Step 5: Solve for x
x = 37,206,720,394.26/222,032.91 - Step 6: Final answer
x = 167,573.00
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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.