Finding the Fourth Proportional to 394,331.64, 591,497.18 and 94,812.12
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Solution
The fourth proportional to 394,331.64, 591,497.18 and 94,812.12 is: 142,218.11
Step by Step Solution
- Step 1: Write the proportion equation
394,331.64 : 591,497.18 = 94,812.12 : x - Step 2: Convert to fraction form
394,331.64/591,497.18 = 94,812.12/x - Step 3: Cross multiply
394,331.64x = 591,497.18 × 94,812.12 - Step 4: Simplify right side
394,331.64x = 56,081,102,024.62 - Step 5: Solve for x
x = 56,081,102,024.62/394,331.64 - Step 6: Final answer
x = 142,218.11
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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.