Finding the Fourth Proportional to 356,296.26, 491,688.90 and 195,157.07
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Solution
The fourth proportional to 356,296.26, 491,688.90 and 195,157.07 is: 269,316.80
Step by Step Solution
- Step 1: Write the proportion equation
356,296.26 : 491,688.90 = 195,157.07 : x - Step 2: Convert to fraction form
356,296.26/491,688.90 = 195,157.07/x - Step 3: Cross multiply
356,296.26x = 491,688.90 × 195,157.07 - Step 4: Simplify right side
356,296.26x = 95,956,566,724.57 - Step 5: Solve for x
x = 95,956,566,724.57/356,296.26 - Step 6: Final answer
x = 269,316.80
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1.5x scale
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.