Finding the Fourth Proportional to 206,393.69, 284,559.62 and 133,668.07
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Solution
The fourth proportional to 206,393.69, 284,559.62 and 133,668.07 is: 184,291.18
Step by Step Solution
- Step 1: Write the proportion equation
206,393.69 : 284,559.62 = 133,668.07 : x - Step 2: Convert to fraction form
206,393.69/284,559.62 = 133,668.07/x - Step 3: Cross multiply
206,393.69x = 284,559.62 × 133,668.07 - Step 4: Simplify right side
206,393.69x = 38,036,535,426.24 - Step 5: Solve for x
x = 38,036,535,426.24/206,393.69 - Step 6: Final answer
x = 184,291.18
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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.