Finding the Fourth Proportional to 198,260.47, 273,604.30 and 107,616.20
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Solution
The fourth proportional to 198,260.47, 273,604.30 and 107,616.20 is: 148,512.99
Step by Step Solution
- Step 1: Write the proportion equation
198,260.47 : 273,604.30 = 107,616.20 : x - Step 2: Convert to fraction form
198,260.47/273,604.30 = 107,616.20/x - Step 3: Cross multiply
198,260.47x = 273,604.30 × 107,616.20 - Step 4: Simplify right side
198,260.47x = 29,444,255,484.63 - Step 5: Solve for x
x = 29,444,255,484.63/198,260.47 - Step 6: Final answer
x = 148,512.99
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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.