Finding the Fourth Proportional to 397,713.92, 548,852.48 and 218,862.08
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Solution
The fourth proportional to 397,713.92, 548,852.48 and 218,862.08 is: 302,033.67
Step by Step Solution
- Step 1: Write the proportion equation
397,713.92 : 548,852.48 = 218,862.08 : x - Step 2: Convert to fraction form
397,713.92/548,852.48 = 218,862.08/x - Step 3: Cross multiply
397,713.92x = 548,852.48 × 218,862.08 - Step 4: Simplify right side
397,713.92x = 120,122,995,385.96 - Step 5: Solve for x
x = 120,122,995,385.96/397,713.92 - Step 6: Final answer
x = 302,033.67
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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.