Finding the Fourth Proportional to 222,292.63, 306,763.84 and 121,690.63
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Solution
The fourth proportional to 222,292.63, 306,763.84 and 121,690.63 is: 167,933.07
Step by Step Solution
- Step 1: Write the proportion equation
222,292.63 : 306,763.84 = 121,690.63 : x - Step 2: Convert to fraction form
222,292.63/306,763.84 = 121,690.63/x - Step 3: Cross multiply
222,292.63x = 306,763.84 × 121,690.63 - Step 4: Simplify right side
222,292.63x = 37,330,283,417 - Step 5: Solve for x
x = 37,330,283,417/222,292.63 - Step 6: Final answer
x = 167,933.07
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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.