Finding the Fourth Proportional to 359,679.94, 496,355.58 and 198,534.97
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Solution
The fourth proportional to 359,679.94, 496,355.58 and 198,534.97 is: 273,976.75
Step by Step Solution
- Step 1: Write the proportion equation
359,679.94 : 496,355.58 = 198,534.97 : x - Step 2: Convert to fraction form
359,679.94/496,355.58 = 198,534.97/x - Step 3: Cross multiply
359,679.94x = 496,355.58 × 198,534.97 - Step 4: Simplify right side
359,679.94x = 98,543,940,184.63 - Step 5: Solve for x
x = 98,543,940,184.63/359,679.94 - Step 6: Final answer
x = 273,976.75
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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.