Finding the Fourth Proportional to 408,647.68, 612,965.36 and 183,849.37
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Solution
The fourth proportional to 408,647.68, 612,965.36 and 183,849.37 is: 275,771.28
Step by Step Solution
- Step 1: Write the proportion equation
408,647.68 : 612,965.36 = 183,849.37 : x - Step 2: Convert to fraction form
408,647.68/612,965.36 = 183,849.37/x - Step 3: Cross multiply
408,647.68x = 612,965.36 × 183,849.37 - Step 4: Simplify right side
408,647.68x = 112,693,294,195.03 - Step 5: Solve for x
x = 112,693,294,195.03/408,647.68 - Step 6: Final answer
x = 275,771.28
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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.