Finding the Fourth Proportional to 379,816.18, 569,221.26 and 201,940.18
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Solution
The fourth proportional to 379,816.18, 569,221.26 and 201,940.18 is: 302,642.83
Step by Step Solution
- Step 1: Write the proportion equation
379,816.18 : 569,221.26 = 201,940.18 : x - Step 2: Convert to fraction form
379,816.18/569,221.26 = 201,940.18/x - Step 3: Cross multiply
379,816.18x = 569,221.26 × 201,940.18 - Step 4: Simplify right side
379,816.18x = 114,948,643,704.23 - Step 5: Solve for x
x = 114,948,643,704.23/379,816.18 - Step 6: Final answer
x = 302,642.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.