Finding the Fourth Proportional to 252,114.76, 347,925.66 and 138,944.80
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Solution
The fourth proportional to 252,114.76, 347,925.66 and 138,944.80 is: 191,747.84
Step by Step Solution
- Step 1: Write the proportion equation
252,114.76 : 347,925.66 = 138,944.80 : x - Step 2: Convert to fraction form
252,114.76/347,925.66 = 138,944.80/x - Step 3: Cross multiply
252,114.76x = 347,925.66 × 138,944.80 - Step 4: Simplify right side
252,114.76x = 48,342,461,243.57 - Step 5: Solve for x
x = 48,342,461,243.57/252,114.76 - Step 6: Final answer
x = 191,747.84
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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.