Finding the Fourth Proportional to 355,713.74, 490,858.35 and 194,560.46
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Solution
The fourth proportional to 355,713.74, 490,858.35 and 194,560.46 is: 268,478.88
Step by Step Solution
- Step 1: Write the proportion equation
355,713.74 : 490,858.35 = 194,560.46 : x - Step 2: Convert to fraction form
355,713.74/490,858.35 = 194,560.46/x - Step 3: Cross multiply
355,713.74x = 490,858.35 × 194,560.46 - Step 4: Simplify right side
355,713.74x = 95,501,626,370.84 - Step 5: Solve for x
x = 95,501,626,370.84/355,713.74 - Step 6: Final answer
x = 268,478.88
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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.