Finding the Fourth Proportional to 382,546.49, 527,893.01 and 212,769.68
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Solution
The fourth proportional to 382,546.49, 527,893.01 and 212,769.68 is: 293,610.39
Step by Step Solution
- Step 1: Write the proportion equation
382,546.49 : 527,893.01 = 212,769.68 : x - Step 2: Convert to fraction form
382,546.49/527,893.01 = 212,769.68/x - Step 3: Cross multiply
382,546.49x = 527,893.01 × 212,769.68 - Step 4: Simplify right side
382,546.49x = 112,319,623,108.62 - Step 5: Solve for x
x = 112,319,623,108.62/382,546.49 - Step 6: Final answer
x = 293,610.39
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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.