Finding the Fourth Proportional to 395,472.80, 545,751.60 and 214,184.18
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Solution
The fourth proportional to 395,472.80, 545,751.60 and 214,184.18 is: 295,573.70
Step by Step Solution
- Step 1: Write the proportion equation
395,472.80 : 545,751.60 = 214,184.18 : x - Step 2: Convert to fraction form
395,472.80/545,751.60 = 214,184.18/x - Step 3: Cross multiply
395,472.80x = 545,751.60 × 214,184.18 - Step 4: Simplify right side
395,472.80x = 116,891,356,200.93 - Step 5: Solve for x
x = 116,891,356,200.93/395,472.80 - Step 6: Final answer
x = 295,573.70
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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.