Finding the Fourth Proportional to 317,765.39, 438,530.02 and 181,841.99
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Solution
The fourth proportional to 317,765.39, 438,530.02 and 181,841.99 is: 250,949.83
Step by Step Solution
- Step 1: Write the proportion equation
317,765.39 : 438,530.02 = 181,841.99 : x - Step 2: Convert to fraction form
317,765.39/438,530.02 = 181,841.99/x - Step 3: Cross multiply
317,765.39x = 438,530.02 × 181,841.99 - Step 4: Simplify right side
317,765.39x = 79,743,168,864.28 - Step 5: Solve for x
x = 79,743,168,864.28/317,765.39 - Step 6: Final answer
x = 250,949.83
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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.