Finding the Fourth Proportional to 252,047.08, 347,826.18 and 138,869.56
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Solution
The fourth proportional to 252,047.08, 347,826.18 and 138,869.56 is: 191,640.66
Step by Step Solution
- Step 1: Write the proportion equation
252,047.08 : 347,826.18 = 138,869.56 : x - Step 2: Convert to fraction form
252,047.08/347,826.18 = 138,869.56/x - Step 3: Cross multiply
252,047.08x = 347,826.18 × 138,869.56 - Step 4: Simplify right side
252,047.08x = 48,302,468,573.08 - Step 5: Solve for x
x = 48,302,468,573.08/252,047.08 - Step 6: Final answer
x = 191,640.66
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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.