Finding the Fourth Proportional to 440,640.75, 608,087.88 and 239,436.75
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Solution
The fourth proportional to 440,640.75, 608,087.88 and 239,436.75 is: 330,424.70
Step by Step Solution
- Step 1: Write the proportion equation
440,640.75 : 608,087.88 = 239,436.75 : x - Step 2: Convert to fraction form
440,640.75/608,087.88 = 239,436.75/x - Step 3: Cross multiply
440,640.75x = 608,087.88 × 239,436.75 - Step 4: Simplify right side
440,640.75x = 145,598,585,701.59 - Step 5: Solve for x
x = 145,598,585,701.59/440,640.75 - Step 6: Final answer
x = 330,424.70
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1.5x scale
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.