Finding the Fourth Proportional to 284,074.76, 392,542.74 and 270,236.52
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Solution
The fourth proportional to 284,074.76, 392,542.74 and 270,236.52 is: 373,420.66
Step by Step Solution
- Step 1: Write the proportion equation
284,074.76 : 392,542.74 = 270,236.52 : x - Step 2: Convert to fraction form
284,074.76/392,542.74 = 270,236.52/x - Step 3: Cross multiply
284,074.76x = 392,542.74 × 270,236.52 - Step 4: Simplify right side
284,074.76x = 106,079,384,008.87 - Step 5: Solve for x
x = 106,079,384,008.87/284,074.76 - Step 6: Final answer
x = 373,420.66
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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.