Finding the Fourth Proportional to 355,602.74, 490,711.92 and 194,425.70
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Solution
The fourth proportional to 355,602.74, 490,711.92 and 194,425.70 is: 268,296.61
Step by Step Solution
- Step 1: Write the proportion equation
355,602.74 : 490,711.92 = 194,425.70 : x - Step 2: Convert to fraction form
355,602.74/490,711.92 = 194,425.70/x - Step 3: Cross multiply
355,602.74x = 490,711.92 × 194,425.70 - Step 4: Simplify right side
355,602.74x = 95,407,008,544.34 - Step 5: Solve for x
x = 95,407,008,544.34/355,602.74 - Step 6: Final answer
x = 268,296.61
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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.