Finding the Fourth Proportional to 303,356.91, 418,632.04 and 167,390.75
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Solution
The fourth proportional to 303,356.91, 418,632.04 and 167,390.75 is: 230,998.96
Step by Step Solution
- Step 1: Write the proportion equation
303,356.91 : 418,632.04 = 167,390.75 : x - Step 2: Convert to fraction form
303,356.91/418,632.04 = 167,390.75/x - Step 3: Cross multiply
303,356.91x = 418,632.04 × 167,390.75 - Step 4: Simplify right side
303,356.91x = 70,075,131,149.63 - Step 5: Solve for x
x = 70,075,131,149.63/303,356.91 - Step 6: Final answer
x = 230,998.96
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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.