Finding the Fourth Proportional to 276,821.37, 382,013.47 and 149,496.95
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Solution
The fourth proportional to 276,821.37, 382,013.47 and 149,496.95 is: 206,305.78
Step by Step Solution
- Step 1: Write the proportion equation
276,821.37 : 382,013.47 = 149,496.95 : x - Step 2: Convert to fraction form
276,821.37/382,013.47 = 149,496.95/x - Step 3: Cross multiply
276,821.37x = 382,013.47 × 149,496.95 - Step 4: Simplify right side
276,821.37x = 57,109,848,623.92 - Step 5: Solve for x
x = 57,109,848,623.92/276,821.37 - Step 6: Final answer
x = 206,305.78
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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.