Finding the Fourth Proportional to 220,263.21, 303,694.79 and 186,212.97
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Solution
The fourth proportional to 220,263.21, 303,694.79 and 186,212.97 is: 256,746.95
Step by Step Solution
- Step 1: Write the proportion equation
220,263.21 : 303,694.79 = 186,212.97 : x - Step 2: Convert to fraction form
220,263.21/303,694.79 = 186,212.97/x - Step 3: Cross multiply
220,263.21x = 303,694.79 × 186,212.97 - Step 4: Simplify right side
220,263.21x = 56,551,907,888.36 - Step 5: Solve for x
x = 56,551,907,888.36/220,263.21 - Step 6: Final answer
x = 256,746.95
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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.