Finding the Fourth Proportional to 394,157.63, 591,610.26 and 243,943.53
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Solution
The fourth proportional to 394,157.63, 591,610.26 and 243,943.53 is: 366,146.65
Step by Step Solution
- Step 1: Write the proportion equation
394,157.63 : 591,610.26 = 243,943.53 : x - Step 2: Convert to fraction form
394,157.63/591,610.26 = 243,943.53/x - Step 3: Cross multiply
394,157.63x = 591,610.26 × 243,943.53 - Step 4: Simplify right side
394,157.63x = 144,319,495,208.62 - Step 5: Solve for x
x = 144,319,495,208.62/394,157.63 - Step 6: Final answer
x = 366,146.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.