Finding the Fourth Proportional to 318,174.18, 477,136.19 and 115,722.23
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Solution
The fourth proportional to 318,174.18, 477,136.19 and 115,722.23 is: 173,537.84
Step by Step Solution
- Step 1: Write the proportion equation
318,174.18 : 477,136.19 = 115,722.23 : x - Step 2: Convert to fraction form
318,174.18/477,136.19 = 115,722.23/x - Step 3: Cross multiply
318,174.18x = 477,136.19 × 115,722.23 - Step 4: Simplify right side
318,174.18x = 55,215,260,956.21 - Step 5: Solve for x
x = 55,215,260,956.21/318,174.18 - Step 6: Final answer
x = 173,537.84
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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.