Finding the Fourth Proportional to 313,850.62, 433,122.83 and 191,350.07
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Solution
The fourth proportional to 313,850.62, 433,122.83 and 191,350.07 is: 264,068.57
Step by Step Solution
- Step 1: Write the proportion equation
313,850.62 : 433,122.83 = 191,350.07 : x - Step 2: Convert to fraction form
313,850.62/433,122.83 = 191,350.07/x - Step 3: Cross multiply
313,850.62x = 433,122.83 × 191,350.07 - Step 4: Simplify right side
313,850.62x = 82,878,083,839.10 - Step 5: Solve for x
x = 82,878,083,839.10/313,850.62 - Step 6: Final answer
x = 264,068.57
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1.5x scale
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.