Finding the Fourth Proportional to 327,853.09, 491,736.57 and 103,214.70
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Solution
The fourth proportional to 327,853.09, 491,736.57 and 103,214.70 is: 154,808.49
Step by Step Solution
- Step 1: Write the proportion equation
327,853.09 : 491,736.57 = 103,214.70 : x - Step 2: Convert to fraction form
327,853.09/491,736.57 = 103,214.70/x - Step 3: Cross multiply
327,853.09x = 491,736.57 × 103,214.70 - Step 4: Simplify right side
327,853.09x = 50,754,442,164.52 - Step 5: Solve for x
x = 50,754,442,164.52/327,853.09 - Step 6: Final answer
x = 154,808.49
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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.