Finding the Fourth Proportional to 394,250.80, 553,350.80 and 394,250.80
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Solution
The fourth proportional to 394,250.80, 553,350.80 and 394,250.80 is: 553,350.80
Step by Step Solution
- Step 1: Write the proportion equation
394,250.80 : 553,350.80 = 394,250.80 : x - Step 2: Convert to fraction form
394,250.80/553,350.80 = 394,250.80/x - Step 3: Cross multiply
394,250.80x = 553,350.80 × 394,250.80 - Step 4: Simplify right side
394,250.80x = 218,158,995,580.64 - Step 5: Solve for x
x = 218,158,995,580.64/394,250.80 - Step 6: Final answer
x = 553,350.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.