Finding the Fourth Proportional to 359,739.84, 496,427.94 and 198,591.42
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Solution
The fourth proportional to 359,739.84, 496,427.94 and 198,591.42 is: 274,048.96
Step by Step Solution
- Step 1: Write the proportion equation
359,739.84 : 496,427.94 = 198,591.42 : x - Step 2: Convert to fraction form
359,739.84/496,427.94 = 198,591.42/x - Step 3: Cross multiply
359,739.84x = 496,427.94 × 198,591.42 - Step 4: Simplify right side
359,739.84x = 98,586,329,532.27 - Step 5: Solve for x
x = 98,586,329,532.27/359,739.84 - Step 6: Final answer
x = 274,048.96
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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.