Finding the Fourth Proportional to 223,523.09, 308,393.43 and 126,711.44
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Solution
The fourth proportional to 223,523.09, 308,393.43 and 126,711.44 is: 174,822.99
Step by Step Solution
- Step 1: Write the proportion equation
223,523.09 : 308,393.43 = 126,711.44 : x - Step 2: Convert to fraction form
223,523.09/308,393.43 = 126,711.44/x - Step 3: Cross multiply
223,523.09x = 308,393.43 × 126,711.44 - Step 4: Simplify right side
223,523.09x = 39,076,974,741.18 - Step 5: Solve for x
x = 39,076,974,741.18/223,523.09 - Step 6: Final answer
x = 174,822.99
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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.