Finding the Fourth Proportional to 303,380.36, 418,646.84 and 167,427.09
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Solution
The fourth proportional to 303,380.36, 418,646.84 and 167,427.09 is: 231,039.42
Step by Step Solution
- Step 1: Write the proportion equation
303,380.36 : 418,646.84 = 167,427.09 : x - Step 2: Convert to fraction form
303,380.36/418,646.84 = 167,427.09/x - Step 3: Cross multiply
303,380.36x = 418,646.84 × 167,427.09 - Step 4: Simplify right side
303,380.36x = 70,092,821,321.76 - Step 5: Solve for x
x = 70,092,821,321.76/303,380.36 - Step 6: Final answer
x = 231,039.42
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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.