Finding the Fourth Proportional to 198,007.11, 297,005.76 and 57,766.95
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Solution
The fourth proportional to 198,007.11, 297,005.76 and 57,766.95 is: 86,648.99
Step by Step Solution
- Step 1: Write the proportion equation
198,007.11 : 297,005.76 = 57,766.95 : x - Step 2: Convert to fraction form
198,007.11/297,005.76 = 57,766.95/x - Step 3: Cross multiply
198,007.11x = 297,005.76 × 57,766.95 - Step 4: Simplify right side
198,007.11x = 17,157,116,887.63 - Step 5: Solve for x
x = 17,157,116,887.63/198,007.11 - Step 6: Final answer
x = 86,648.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.