Finding the Fourth Proportional to 303,385.35, 418,680.65 and 167,428.09
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Solution
The fourth proportional to 303,385.35, 418,680.65 and 167,428.09 is: 231,055.66
Step by Step Solution
- Step 1: Write the proportion equation
303,385.35 : 418,680.65 = 167,428.09 : x - Step 2: Convert to fraction form
303,385.35/418,680.65 = 167,428.09/x - Step 3: Cross multiply
303,385.35x = 418,680.65 × 167,428.09 - Step 4: Simplify right side
303,385.35x = 70,098,901,549.46 - Step 5: Solve for x
x = 70,098,901,549.46/303,385.35 - Step 6: Final answer
x = 231,055.66
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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.