Finding the Fourth Proportional to 313,969.26, 433,272.64 and 170,728.05
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Solution
The fourth proportional to 313,969.26, 433,272.64 and 170,728.05 is: 235,602.02
Step by Step Solution
- Step 1: Write the proportion equation
313,969.26 : 433,272.64 = 170,728.05 : x - Step 2: Convert to fraction form
313,969.26/433,272.64 = 170,728.05/x - Step 3: Cross multiply
313,969.26x = 433,272.64 × 170,728.05 - Step 4: Simplify right side
313,969.26x = 73,971,792,945.55 - Step 5: Solve for x
x = 73,971,792,945.55/313,969.26 - Step 6: Final answer
x = 235,602.02
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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.