Finding the Fourth Proportional to 256,495.62, 353,952.99 and 141,768.39
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Solution
The fourth proportional to 256,495.62, 353,952.99 and 141,768.39 is: 195,634.32
Step by Step Solution
- Step 1: Write the proportion equation
256,495.62 : 353,952.99 = 141,768.39 : x - Step 2: Convert to fraction form
256,495.62/353,952.99 = 141,768.39/x - Step 3: Cross multiply
256,495.62x = 353,952.99 × 141,768.39 - Step 4: Simplify right side
256,495.62x = 50,179,345,527.99 - Step 5: Solve for x
x = 50,179,345,527.99/256,495.62 - Step 6: Final answer
x = 195,634.32
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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.