Finding the Fourth Proportional to 401,958.99, 554,668.43 and 220,670.19
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Solution
The fourth proportional to 401,958.99, 554,668.43 and 220,670.19 is: 304,505.66
Step by Step Solution
- Step 1: Write the proportion equation
401,958.99 : 554,668.43 = 220,670.19 : x - Step 2: Convert to fraction form
401,958.99/554,668.43 = 220,670.19/x - Step 3: Cross multiply
401,958.99x = 554,668.43 × 220,670.19 - Step 4: Simplify right side
401,958.99x = 122,398,786,731.75 - Step 5: Solve for x
x = 122,398,786,731.75/401,958.99 - Step 6: Final answer
x = 304,505.66
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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.