Finding the Fourth Proportional to 397,085.52, 547,441.43 and 269,539.68
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Solution
The fourth proportional to 397,085.52, 547,441.43 and 269,539.68 is: 371,600.52
Step by Step Solution
- Step 1: Write the proportion equation
397,085.52 : 547,441.43 = 269,539.68 : x - Step 2: Convert to fraction form
397,085.52/547,441.43 = 269,539.68/x - Step 3: Cross multiply
397,085.52x = 547,441.43 × 269,539.68 - Step 4: Simplify right side
397,085.52x = 147,557,186,513.24 - Step 5: Solve for x
x = 147,557,186,513.24/397,085.52 - Step 6: Final answer
x = 371,600.52
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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.