Finding the Fourth Proportional to 198,573.57, 274,033.35 and 107,929.74
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Solution
The fourth proportional to 198,573.57, 274,033.35 and 107,929.74 is: 148,944.03
Step by Step Solution
- Step 1: Write the proportion equation
198,573.57 : 274,033.35 = 107,929.74 : x - Step 2: Convert to fraction form
198,573.57/274,033.35 = 107,929.74/x - Step 3: Cross multiply
198,573.57x = 274,033.35 × 107,929.74 - Step 4: Simplify right side
198,573.57x = 29,576,348,216.83 - Step 5: Solve for x
x = 29,576,348,216.83/198,573.57 - Step 6: Final answer
x = 148,944.03
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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.