Finding the Fourth Proportional to 414,213.48, 620,926.20 and 264,032.10
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Solution
The fourth proportional to 414,213.48, 620,926.20 and 264,032.10 is: 395,796.99
Step by Step Solution
- Step 1: Write the proportion equation
414,213.48 : 620,926.20 = 264,032.10 : x - Step 2: Convert to fraction form
414,213.48/620,926.20 = 264,032.10/x - Step 3: Cross multiply
414,213.48x = 620,926.20 × 264,032.10 - Step 4: Simplify right side
414,213.48x = 163,944,448,531.02 - Step 5: Solve for x
x = 163,944,448,531.02/414,213.48 - Step 6: Final answer
x = 395,796.99
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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.