Finding the Fourth Proportional to 259,871.63, 358,622.84 and 140,639.63
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Solution
The fourth proportional to 259,871.63, 358,622.84 and 140,639.63 is: 194,082.68
Step by Step Solution
- Step 1: Write the proportion equation
259,871.63 : 358,622.84 = 140,639.63 : x - Step 2: Convert to fraction form
259,871.63/358,622.84 = 140,639.63/x - Step 3: Cross multiply
259,871.63x = 358,622.84 × 140,639.63 - Step 4: Simplify right side
259,871.63x = 50,436,582,085.63 - Step 5: Solve for x
x = 50,436,582,085.63/259,871.63 - Step 6: Final answer
x = 194,082.68
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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.