Finding the Fourth Proportional to 119,295.44, 178,938.48 and 40,409.67
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Solution
The fourth proportional to 119,295.44, 178,938.48 and 40,409.67 is: 60,612.92
Step by Step Solution
- Step 1: Write the proportion equation
119,295.44 : 178,938.48 = 40,409.67 : x - Step 2: Convert to fraction form
119,295.44/178,938.48 = 40,409.67/x - Step 3: Cross multiply
119,295.44x = 178,938.48 × 40,409.67 - Step 4: Simplify right side
119,295.44x = 7,230,844,927.10 - Step 5: Solve for x
x = 7,230,844,927.10/119,295.44 - Step 6: Final answer
x = 60,612.92
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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.