Finding the Fourth Proportional to 394,993.17, 592,578.68 and 125,137.58
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Solution
The fourth proportional to 394,993.17, 592,578.68 and 125,137.58 is: 187,734.53
Step by Step Solution
- Step 1: Write the proportion equation
394,993.17 : 592,578.68 = 125,137.58 : x - Step 2: Convert to fraction form
394,993.17/592,578.68 = 125,137.58/x - Step 3: Cross multiply
394,993.17x = 592,578.68 × 125,137.58 - Step 4: Simplify right side
394,993.17x = 74,153,858,386.21 - Step 5: Solve for x
x = 74,153,858,386.21/394,993.17 - Step 6: Final answer
x = 187,734.53
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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.