Finding the Fourth Proportional to 222,383.88, 306,883.08 and 126,888.12
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Solution
The fourth proportional to 222,383.88, 306,883.08 and 126,888.12 is: 175,101.80
Step by Step Solution
- Step 1: Write the proportion equation
222,383.88 : 306,883.08 = 126,888.12 : x - Step 2: Convert to fraction form
222,383.88/306,883.08 = 126,888.12/x - Step 3: Cross multiply
222,383.88x = 306,883.08 × 126,888.12 - Step 4: Simplify right side
222,383.88x = 38,939,817,081.01 - Step 5: Solve for x
x = 38,939,817,081.01/222,383.88 - Step 6: Final answer
x = 175,101.80
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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.