Finding the Fourth Proportional to 302,195.44, 416,713.06 and 225,591.66
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Solution
The fourth proportional to 302,195.44, 416,713.06 and 225,591.66 is: 311,080.11
Step by Step Solution
- Step 1: Write the proportion equation
302,195.44 : 416,713.06 = 225,591.66 : x - Step 2: Convert to fraction form
302,195.44/416,713.06 = 225,591.66/x - Step 3: Cross multiply
302,195.44x = 416,713.06 × 225,591.66 - Step 4: Simplify right side
302,195.44x = 94,006,990,949.08 - Step 5: Solve for x
x = 94,006,990,949.08/302,195.44 - Step 6: Final answer
x = 311,080.11
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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.