Finding the Fourth Proportional to 355,901.68, 491,144.27 and 194,756.75
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Solution
The fourth proportional to 355,901.68, 491,144.27 and 194,756.75 is: 268,764.29
Step by Step Solution
- Step 1: Write the proportion equation
355,901.68 : 491,144.27 = 194,756.75 : x - Step 2: Convert to fraction form
355,901.68/491,144.27 = 194,756.75/x - Step 3: Cross multiply
355,901.68x = 491,144.27 × 194,756.75 - Step 4: Simplify right side
355,901.68x = 95,653,661,806.32 - Step 5: Solve for x
x = 95,653,661,806.32/355,901.68 - Step 6: Final answer
x = 268,764.29
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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.