Finding the Fourth Proportional to 362,173.70, 543,342.56 and 193,605.21
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Solution
The fourth proportional to 362,173.70, 543,342.56 and 193,605.21 is: 290,451.65
Step by Step Solution
- Step 1: Write the proportion equation
362,173.70 : 543,342.56 = 193,605.21 : x - Step 2: Convert to fraction form
362,173.70/543,342.56 = 193,605.21/x - Step 3: Cross multiply
362,173.70x = 543,342.56 × 193,605.21 - Step 4: Simplify right side
362,173.70x = 105,193,948,514.21 - Step 5: Solve for x
x = 105,193,948,514.21/362,173.70 - Step 6: Final answer
x = 290,451.65
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1.5x scale
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.