Finding the Fourth Proportional to 355,671.05, 490,819.84 and 194,522.56
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Solution
The fourth proportional to 355,671.05, 490,819.84 and 194,522.56 is: 268,437.74
Step by Step Solution
- Step 1: Write the proportion equation
355,671.05 : 490,819.84 = 194,522.56 : x - Step 2: Convert to fraction form
355,671.05/490,819.84 = 194,522.56/x - Step 3: Cross multiply
355,671.05x = 490,819.84 × 194,522.56 - Step 4: Simplify right side
355,671.05x = 95,475,530,062.23 - Step 5: Solve for x
x = 95,475,530,062.23/355,671.05 - Step 6: Final answer
x = 268,437.74
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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.