Finding the Fourth Proportional to 613,512.76, 920,362.02 and 192,749.08
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Solution
The fourth proportional to 613,512.76, 920,362.02 and 192,749.08 is: 289,152.80
Step by Step Solution
- Step 1: Write the proportion equation
613,512.76 : 920,362.02 = 192,749.08 : x - Step 2: Convert to fraction form
613,512.76/920,362.02 = 192,749.08/x - Step 3: Cross multiply
613,512.76x = 920,362.02 × 192,749.08 - Step 4: Simplify right side
613,512.76x = 177,398,932,621.94 - Step 5: Solve for x
x = 177,398,932,621.94/613,512.76 - Step 6: Final answer
x = 289,152.80
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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.