Finding the Fourth Proportional to 215,226.29, 296,932.05 and 134,623.19
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Solution
The fourth proportional to 215,226.29, 296,932.05 and 134,623.19 is: 185,729.82
Step by Step Solution
- Step 1: Write the proportion equation
215,226.29 : 296,932.05 = 134,623.19 : x - Step 2: Convert to fraction form
215,226.29/296,932.05 = 134,623.19/x - Step 3: Cross multiply
215,226.29x = 296,932.05 × 134,623.19 - Step 4: Simplify right side
215,226.29x = 39,973,940,526.57 - Step 5: Solve for x
x = 39,973,940,526.57/215,226.29 - Step 6: Final answer
x = 185,729.82
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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.