Finding the Fourth Proportional to 393,921.84, 543,548.04 and 232,754.48
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Solution
The fourth proportional to 393,921.84, 543,548.04 and 232,754.48 is: 321,163.31
Step by Step Solution
- Step 1: Write the proportion equation
393,921.84 : 543,548.04 = 232,754.48 : x - Step 2: Convert to fraction form
393,921.84/543,548.04 = 232,754.48/x - Step 3: Cross multiply
393,921.84x = 543,548.04 × 232,754.48 - Step 4: Simplify right side
393,921.84x = 126,513,241,405.22 - Step 5: Solve for x
x = 126,513,241,405.22/393,921.84 - Step 6: Final answer
x = 321,163.31
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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.