Finding the Fourth Proportional to 197,088.48, 271,981.68 and 107,664.48
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Solution
The fourth proportional to 197,088.48, 271,981.68 and 107,664.48 is: 148,576.75
Step by Step Solution
- Step 1: Write the proportion equation
197,088.48 : 271,981.68 = 107,664.48 : x - Step 2: Convert to fraction form
197,088.48/271,981.68 = 107,664.48/x - Step 3: Cross multiply
197,088.48x = 271,981.68 × 107,664.48 - Step 4: Simplify right side
197,088.48x = 29,282,766,146.73 - Step 5: Solve for x
x = 29,282,766,146.73/197,088.48 - Step 6: Final answer
x = 148,576.75
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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.