Finding the Fourth Proportional to 317,938.72, 438,755.33 and 174,707.99
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Solution
The fourth proportional to 317,938.72, 438,755.33 and 174,707.99 is: 241,096.97
Step by Step Solution
- Step 1: Write the proportion equation
317,938.72 : 438,755.33 = 174,707.99 : x - Step 2: Convert to fraction form
317,938.72/438,755.33 = 174,707.99/x - Step 3: Cross multiply
317,938.72x = 438,755.33 × 174,707.99 - Step 4: Simplify right side
317,938.72x = 76,654,061,694.41 - Step 5: Solve for x
x = 76,654,061,694.41/317,938.72 - Step 6: Final answer
x = 241,096.97
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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.