Finding the Fourth Proportional to 438,842.07, 658,204.79 and 172,531.08
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Solution
The fourth proportional to 438,842.07, 658,204.79 and 172,531.08 is: 258,773.69
Step by Step Solution
- Step 1: Write the proportion equation
438,842.07 : 658,204.79 = 172,531.08 : x - Step 2: Convert to fraction form
438,842.07/658,204.79 = 172,531.08/x - Step 3: Cross multiply
438,842.07x = 658,204.79 × 172,531.08 - Step 4: Simplify right side
438,842.07x = 113,560,782,417.22 - Step 5: Solve for x
x = 113,560,782,417.22/438,842.07 - Step 6: Final answer
x = 258,773.69
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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.