Finding the Fourth Proportional to 313,552.26, 472,420.25 and 283,601.07
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Solution
The fourth proportional to 313,552.26, 472,420.25 and 283,601.07 is: 427,293.63
Step by Step Solution
- Step 1: Write the proportion equation
313,552.26 : 472,420.25 = 283,601.07 : x - Step 2: Convert to fraction form
313,552.26/472,420.25 = 283,601.07/x - Step 3: Cross multiply
313,552.26x = 472,420.25 × 283,601.07 - Step 4: Simplify right side
313,552.26x = 133,978,884,609.56 - Step 5: Solve for x
x = 133,978,884,609.56/313,552.26 - Step 6: Final answer
x = 427,293.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.