Finding the Fourth Proportional to 397,591.14, 596,578.06 and 197,928.96
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Solution
The fourth proportional to 397,591.14, 596,578.06 and 197,928.96 is: 296,988.70
Step by Step Solution
- Step 1: Write the proportion equation
397,591.14 : 596,578.06 = 197,928.96 : x - Step 2: Convert to fraction form
397,591.14/596,578.06 = 197,928.96/x - Step 3: Cross multiply
397,591.14x = 596,578.06 × 197,928.96 - Step 4: Simplify right side
397,591.14x = 118,080,074,974.62 - Step 5: Solve for x
x = 118,080,074,974.62/397,591.14 - Step 6: Final answer
x = 296,988.70
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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.