Finding the Fourth Proportional to 303,349.13, 418,621.80 and 169,213.13
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Solution
The fourth proportional to 303,349.13, 418,621.80 and 169,213.13 is: 233,514.12
Step by Step Solution
- Step 1: Write the proportion equation
303,349.13 : 418,621.80 = 169,213.13 : x - Step 2: Convert to fraction form
303,349.13/418,621.80 = 169,213.13/x - Step 3: Cross multiply
303,349.13x = 418,621.80 × 169,213.13 - Step 4: Simplify right side
303,349.13x = 70,836,302,971.13 - Step 5: Solve for x
x = 70,836,302,971.13/303,349.13 - Step 6: Final answer
x = 233,514.12
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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.