Finding the Fourth Proportional to 222,264.36, 306,721.68 and 126,772.68
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Solution
The fourth proportional to 222,264.36, 306,721.68 and 126,772.68 is: 174,944.51
Step by Step Solution
- Step 1: Write the proportion equation
222,264.36 : 306,721.68 = 126,772.68 : x - Step 2: Convert to fraction form
222,264.36/306,721.68 = 126,772.68/x - Step 3: Cross multiply
222,264.36x = 306,721.68 × 126,772.68 - Step 4: Simplify right side
222,264.36x = 38,883,929,387.70 - Step 5: Solve for x
x = 38,883,929,387.70/222,264.36 - Step 6: Final answer
x = 174,944.51
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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.