Finding the Fourth Proportional to 219,711.44, 303,199.08 and 119,107.28
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Solution
The fourth proportional to 219,711.44, 303,199.08 and 119,107.28 is: 164,366.58
Step by Step Solution
- Step 1: Write the proportion equation
219,711.44 : 303,199.08 = 119,107.28 : x - Step 2: Convert to fraction form
219,711.44/303,199.08 = 119,107.28/x - Step 3: Cross multiply
219,711.44x = 303,199.08 × 119,107.28 - Step 4: Simplify right side
219,711.44x = 36,113,217,717.30 - Step 5: Solve for x
x = 36,113,217,717.30/219,711.44 - Step 6: Final answer
x = 164,366.58
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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.