Finding the Fourth Proportional to 295,290.14, 407,626.35 and 198,550.07
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Solution
The fourth proportional to 295,290.14, 407,626.35 and 198,550.07 is: 274,083.79
Step by Step Solution
- Step 1: Write the proportion equation
295,290.14 : 407,626.35 = 198,550.07 : x - Step 2: Convert to fraction form
295,290.14/407,626.35 = 198,550.07/x - Step 3: Cross multiply
295,290.14x = 407,626.35 × 198,550.07 - Step 4: Simplify right side
295,290.14x = 80,934,239,630.67 - Step 5: Solve for x
x = 80,934,239,630.67/295,290.14 - Step 6: Final answer
x = 274,083.79
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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.