Finding the Fourth Proportional to 252,341.28, 348,229.94 and 137,619.63
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Solution
The fourth proportional to 252,341.28, 348,229.94 and 137,619.63 is: 189,914.53
Step by Step Solution
- Step 1: Write the proportion equation
252,341.28 : 348,229.94 = 137,619.63 : x - Step 2: Convert to fraction form
252,341.28/348,229.94 = 137,619.63/x - Step 3: Cross multiply
252,341.28x = 348,229.94 × 137,619.63 - Step 4: Simplify right side
252,341.28x = 47,923,274,809.62 - Step 5: Solve for x
x = 47,923,274,809.62/252,341.28 - Step 6: Final answer
x = 189,914.53
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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.