Finding the Fourth Proportional to 199,782.74, 299,673.02 and 81,453.62
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Solution
The fourth proportional to 199,782.74, 299,673.02 and 81,453.62 is: 122,179.99
Step by Step Solution
- Step 1: Write the proportion equation
199,782.74 : 299,673.02 = 81,453.62 : x - Step 2: Convert to fraction form
199,782.74/299,673.02 = 81,453.62/x - Step 3: Cross multiply
199,782.74x = 299,673.02 × 81,453.62 - Step 4: Simplify right side
199,782.74x = 24,409,452,295.33 - Step 5: Solve for x
x = 24,409,452,295.33/199,782.74 - Step 6: Final answer
x = 122,179.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.