Finding the Fourth Proportional to 505,704.08, 758,302.18 and 168,625.42
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Solution
The fourth proportional to 505,704.08, 758,302.18 and 168,625.42 is: 252,853.45
Step by Step Solution
- Step 1: Write the proportion equation
505,704.08 : 758,302.18 = 168,625.42 : x - Step 2: Convert to fraction form
505,704.08/758,302.18 = 168,625.42/x - Step 3: Cross multiply
505,704.08x = 758,302.18 × 168,625.42 - Step 4: Simplify right side
505,704.08x = 127,869,021,272.10 - Step 5: Solve for x
x = 127,869,021,272.10/505,704.08 - Step 6: Final answer
x = 252,853.45
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1.5x scale
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.