Finding the Fourth Proportional to 479,538.98, 661,716.65 and 264,665.19
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Solution
The fourth proportional to 479,538.98, 661,716.65 and 264,665.19 is: 365,211.94
Step by Step Solution
- Step 1: Write the proportion equation
479,538.98 : 661,716.65 = 264,665.19 : x - Step 2: Convert to fraction form
479,538.98/661,716.65 = 264,665.19/x - Step 3: Cross multiply
479,538.98x = 661,716.65 × 264,665.19 - Step 4: Simplify right side
479,538.98x = 175,133,361,575.09 - Step 5: Solve for x
x = 175,133,361,575.09/479,538.98 - Step 6: Final answer
x = 365,211.94
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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.