Finding the Fourth Proportional to 306,741.75, 460,112.67 and 140,529.75
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Solution
The fourth proportional to 306,741.75, 460,112.67 and 140,529.75 is: 210,794.65
Step by Step Solution
- Step 1: Write the proportion equation
306,741.75 : 460,112.67 = 140,529.75 : x - Step 2: Convert to fraction form
306,741.75/460,112.67 = 140,529.75/x - Step 3: Cross multiply
306,741.75x = 460,112.67 × 140,529.75 - Step 4: Simplify right side
306,741.75x = 64,659,518,486.93 - Step 5: Solve for x
x = 64,659,518,486.93/306,741.75 - Step 6: Final answer
x = 210,794.65
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1.5x scale
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.