Finding the Fourth Proportional to 612,232.44, 918,415.62 and 207,716.71
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Solution
The fourth proportional to 612,232.44, 918,415.62 and 207,716.71 is: 311,597.79
Step by Step Solution
- Step 1: Write the proportion equation
612,232.44 : 918,415.62 = 207,716.71 : x - Step 2: Convert to fraction form
612,232.44/918,415.62 = 207,716.71/x - Step 3: Cross multiply
612,232.44x = 918,415.62 × 207,716.71 - Step 4: Simplify right side
612,232.44x = 190,770,270,999.01 - Step 5: Solve for x
x = 190,770,270,999.01/612,232.44 - Step 6: Final answer
x = 311,597.79
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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.