Finding the Fourth Proportional to 303,485.80, 418,810.42 and 167,519.79
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Solution
The fourth proportional to 303,485.80, 418,810.42 and 167,519.79 is: 231,177.32
Step by Step Solution
- Step 1: Write the proportion equation
303,485.80 : 418,810.42 = 167,519.79 : x - Step 2: Convert to fraction form
303,485.80/418,810.42 = 167,519.79/x - Step 3: Cross multiply
303,485.80x = 418,810.42 × 167,519.79 - Step 4: Simplify right side
303,485.80x = 70,159,033,608.21 - Step 5: Solve for x
x = 70,159,033,608.21/303,485.80 - Step 6: Final answer
x = 231,177.32
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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.