Finding the Fourth Proportional to 252,033.51, 347,806.05 and 138,856.26
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Solution
The fourth proportional to 252,033.51, 347,806.05 and 138,856.26 is: 191,621.53
Step by Step Solution
- Step 1: Write the proportion equation
252,033.51 : 347,806.05 = 138,856.26 : x - Step 2: Convert to fraction form
252,033.51/347,806.05 = 138,856.26/x - Step 3: Cross multiply
252,033.51x = 347,806.05 × 138,856.26 - Step 4: Simplify right side
252,033.51x = 48,295,047,308.37 - Step 5: Solve for x
x = 48,295,047,308.37/252,033.51 - Step 6: Final answer
x = 191,621.53
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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.