Finding the Fourth Proportional to 394,263.10, 591,329.94 and 109,972.99
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Solution
The fourth proportional to 394,263.10, 591,329.94 and 109,972.99 is: 164,941.44
Step by Step Solution
- Step 1: Write the proportion equation
394,263.10 : 591,329.94 = 109,972.99 : x - Step 2: Convert to fraction form
394,263.10/591,329.94 = 109,972.99/x - Step 3: Cross multiply
394,263.10x = 591,329.94 × 109,972.99 - Step 4: Simplify right side
394,263.10x = 65,030,321,578.32 - Step 5: Solve for x
x = 65,030,321,578.32/394,263.10 - Step 6: Final answer
x = 164,941.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.