Finding the Fourth Proportional to 214,821.80, 322,232.70 and 96,549.80
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Solution
The fourth proportional to 214,821.80, 322,232.70 and 96,549.80 is: 144,824.70
Step by Step Solution
- Step 1: Write the proportion equation
214,821.80 : 322,232.70 = 96,549.80 : x - Step 2: Convert to fraction form
214,821.80/322,232.70 = 96,549.80/x - Step 3: Cross multiply
214,821.80x = 322,232.70 × 96,549.80 - Step 4: Simplify right side
214,821.80x = 31,111,502,738.46 - Step 5: Solve for x
x = 31,111,502,738.46/214,821.80 - Step 6: Final answer
x = 144,824.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.