Finding the Fourth Proportional to 178,764.28, 246,634.68 and 101,229.36
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Solution
The fourth proportional to 178,764.28, 246,634.68 and 101,229.36 is: 139,662.53
Step by Step Solution
- Step 1: Write the proportion equation
178,764.28 : 246,634.68 = 101,229.36 : x - Step 2: Convert to fraction form
178,764.28/246,634.68 = 101,229.36/x - Step 3: Cross multiply
178,764.28x = 246,634.68 × 101,229.36 - Step 4: Simplify right side
178,764.28x = 24,966,670,810.20 - Step 5: Solve for x
x = 24,966,670,810.20/178,764.28 - Step 6: Final answer
x = 139,662.53
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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.