Finding the Fourth Proportional to 355,895.69, 491,136.01 and 194,750.75
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Solution
The fourth proportional to 355,895.69, 491,136.01 and 194,750.75 is: 268,756.02
Step by Step Solution
- Step 1: Write the proportion equation
355,895.69 : 491,136.01 = 194,750.75 : x - Step 2: Convert to fraction form
355,895.69/491,136.01 = 194,750.75/x - Step 3: Cross multiply
355,895.69x = 491,136.01 × 194,750.75 - Step 4: Simplify right side
355,895.69x = 95,649,107,040.47 - Step 5: Solve for x
x = 95,649,107,040.47/355,895.69 - Step 6: Final answer
x = 268,756.02
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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.