Finding the Fourth Proportional to 448,351.94, 618,694.75 and 252,147.74
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Solution
The fourth proportional to 448,351.94, 618,694.75 and 252,147.74 is: 347,946.48
Step by Step Solution
- Step 1: Write the proportion equation
448,351.94 : 618,694.75 = 252,147.74 : x - Step 2: Convert to fraction form
448,351.94/618,694.75 = 252,147.74/x - Step 3: Cross multiply
448,351.94x = 618,694.75 × 252,147.74 - Step 4: Simplify right side
448,351.94x = 156,002,478,608.15 - Step 5: Solve for x
x = 156,002,478,608.15/448,351.94 - Step 6: Final answer
x = 347,946.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.