Finding the Fourth Proportional to 303,484.99, 418,809.30 and 167,518.97
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Solution
The fourth proportional to 303,484.99, 418,809.30 and 167,518.97 is: 231,176.19
Step by Step Solution
- Step 1: Write the proportion equation
303,484.99 : 418,809.30 = 167,518.97 : x - Step 2: Convert to fraction form
303,484.99/418,809.30 = 167,518.97/x - Step 3: Cross multiply
303,484.99x = 418,809.30 × 167,518.97 - Step 4: Simplify right side
303,484.99x = 70,158,502,562.42 - Step 5: Solve for x
x = 70,158,502,562.42/303,484.99 - Step 6: Final answer
x = 231,176.19
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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.