Finding the Fourth Proportional to 384,674.75, 530,841.43 and 214,910.09
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Solution
The fourth proportional to 384,674.75, 530,841.43 and 214,910.09 is: 296,570.49
Step by Step Solution
- Step 1: Write the proportion equation
384,674.75 : 530,841.43 = 214,910.09 : x - Step 2: Convert to fraction form
384,674.75/530,841.43 = 214,910.09/x - Step 3: Cross multiply
384,674.75x = 530,841.43 × 214,910.09 - Step 4: Simplify right side
384,674.75x = 114,083,179,497.03 - Step 5: Solve for x
x = 114,083,179,497.03/384,674.75 - Step 6: Final answer
x = 296,570.49
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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.