Finding the Fourth Proportional to 202,811.70, 304,217.55 and 199,355.70
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Solution
The fourth proportional to 202,811.70, 304,217.55 and 199,355.70 is: 299,033.55
Step by Step Solution
- Step 1: Write the proportion equation
202,811.70 : 304,217.55 = 199,355.70 : x - Step 2: Convert to fraction form
202,811.70/304,217.55 = 199,355.70/x - Step 3: Cross multiply
202,811.70x = 304,217.55 × 199,355.70 - Step 4: Simplify right side
202,811.70x = 60,647,502,632.54 - Step 5: Solve for x
x = 60,647,502,632.54/202,811.70 - Step 6: Final answer
x = 299,033.55
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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.