Finding the Fourth Proportional to 313,883.07, 433,163.57 and 170,643.66
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Solution
The fourth proportional to 313,883.07, 433,163.57 and 170,643.66 is: 235,490.93
Step by Step Solution
- Step 1: Write the proportion equation
313,883.07 : 433,163.57 = 170,643.66 : x - Step 2: Convert to fraction form
313,883.07/433,163.57 = 170,643.66/x - Step 3: Cross multiply
313,883.07x = 433,163.57 × 170,643.66 - Step 4: Simplify right side
313,883.07x = 73,916,616,110.25 - Step 5: Solve for x
x = 73,916,616,110.25/313,883.07 - Step 6: Final answer
x = 235,490.93
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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.