Finding the Fourth Proportional to 215,687.41, 297,524.95 and 134,974.81
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Solution
The fourth proportional to 215,687.41, 297,524.95 and 134,974.81 is: 186,187.84
Step by Step Solution
- Step 1: Write the proportion equation
215,687.41 : 297,524.95 = 134,974.81 : x - Step 2: Convert to fraction form
215,687.41/297,524.95 = 134,974.81/x - Step 3: Cross multiply
215,687.41x = 297,524.95 × 134,974.81 - Step 4: Simplify right side
215,687.41x = 40,158,371,957.40 - Step 5: Solve for x
x = 40,158,371,957.40/215,687.41 - Step 6: Final answer
x = 186,187.84
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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.