Finding the Fourth Proportional to 394,736.20, 592,104.30 and 368,297.80
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Solution
The fourth proportional to 394,736.20, 592,104.30 and 368,297.80 is: 552,446.70
Step by Step Solution
- Step 1: Write the proportion equation
394,736.20 : 592,104.30 = 368,297.80 : x - Step 2: Convert to fraction form
394,736.20/592,104.30 = 368,297.80/x - Step 3: Cross multiply
394,736.20x = 592,104.30 × 368,297.80 - Step 4: Simplify right side
394,736.20x = 218,070,711,060.54 - Step 5: Solve for x
x = 218,070,711,060.54/394,736.20 - Step 6: Final answer
x = 552,446.70
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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.