Finding the Fourth Proportional to 303,621.24, 418,995.18 and 167,663.64
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Solution
The fourth proportional to 303,621.24, 418,995.18 and 167,663.64 is: 231,374.65
Step by Step Solution
- Step 1: Write the proportion equation
303,621.24 : 418,995.18 = 167,663.64 : x - Step 2: Convert to fraction form
303,621.24/418,995.18 = 167,663.64/x - Step 3: Cross multiply
303,621.24x = 418,995.18 × 167,663.64 - Step 4: Simplify right side
303,621.24x = 70,250,257,021.26 - Step 5: Solve for x
x = 70,250,257,021.26/303,621.24 - Step 6: Final answer
x = 231,374.65
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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.