Finding the Fourth Proportional to 547,349.63, 755,252.37 and 305,593.38
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Solution
The fourth proportional to 547,349.63, 755,252.37 and 305,593.38 is: 421,668.55
Step by Step Solution
- Step 1: Write the proportion equation
547,349.63 : 755,252.37 = 305,593.38 : x - Step 2: Convert to fraction form
547,349.63/755,252.37 = 305,593.38/x - Step 3: Cross multiply
547,349.63x = 755,252.37 × 305,593.38 - Step 4: Simplify right side
547,349.63x = 230,800,124,501.31 - Step 5: Solve for x
x = 230,800,124,501.31/547,349.63 - Step 6: Final answer
x = 421,668.55
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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.