Finding the Fourth Proportional to 313,971.93, 433,153.44 and 177,977.07
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Solution
The fourth proportional to 313,971.93, 433,153.44 and 177,977.07 is: 245,535.90
Step by Step Solution
- Step 1: Write the proportion equation
313,971.93 : 433,153.44 = 177,977.07 : x - Step 2: Convert to fraction form
313,971.93/433,153.44 = 177,977.07/x - Step 3: Cross multiply
313,971.93x = 433,153.44 × 177,977.07 - Step 4: Simplify right side
313,971.93x = 77,091,380,111.62 - Step 5: Solve for x
x = 77,091,380,111.62/313,971.93 - Step 6: Final answer
x = 245,535.90
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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.