Finding the Fourth Proportional to 222,681.75, 334,201.84 and 126,677.92
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Solution
The fourth proportional to 222,681.75, 334,201.84 and 126,677.92 is: 190,118.83
Step by Step Solution
- Step 1: Write the proportion equation
222,681.75 : 334,201.84 = 126,677.92 : x - Step 2: Convert to fraction form
222,681.75/334,201.84 = 126,677.92/x - Step 3: Cross multiply
222,681.75x = 334,201.84 × 126,677.92 - Step 4: Simplify right side
222,681.75x = 42,335,992,799.17 - Step 5: Solve for x
x = 42,335,992,799.17/222,681.75 - Step 6: Final answer
x = 190,118.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.