Finding the Fourth Proportional to 252,699.76, 379,050.87 and 102,941.49
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Solution
The fourth proportional to 252,699.76, 379,050.87 and 102,941.49 is: 154,412.74
Step by Step Solution
- Step 1: Write the proportion equation
252,699.76 : 379,050.87 = 102,941.49 : x - Step 2: Convert to fraction form
252,699.76/379,050.87 = 102,941.49/x - Step 3: Cross multiply
252,699.76x = 379,050.87 × 102,941.49 - Step 4: Simplify right side
252,699.76x = 39,020,061,343.60 - Step 5: Solve for x
x = 39,020,061,343.60/252,699.76 - Step 6: Final answer
x = 154,412.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.