Finding the Fourth Proportional to 384,672.75, 530,838.68 and 214,908.09
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Solution
The fourth proportional to 384,672.75, 530,838.68 and 214,908.09 is: 296,567.73
Step by Step Solution
- Step 1: Write the proportion equation
384,672.75 : 530,838.68 = 214,908.09 : x - Step 2: Convert to fraction form
384,672.75/530,838.68 = 214,908.09/x - Step 3: Cross multiply
384,672.75x = 530,838.68 × 214,908.09 - Step 4: Simplify right side
384,672.75x = 114,081,525,742.38 - Step 5: Solve for x
x = 114,081,525,742.38/384,672.75 - Step 6: Final answer
x = 296,567.73
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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.