Finding the Fourth Proportional to 394,394.94, 591,355.68 and 180,895.38
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Solution
The fourth proportional to 394,394.94, 591,355.68 and 180,895.38 is: 271,234.49
Step by Step Solution
- Step 1: Write the proportion equation
394,394.94 : 591,355.68 = 180,895.38 : x - Step 2: Convert to fraction form
394,394.94/591,355.68 = 180,895.38/x - Step 3: Cross multiply
394,394.94x = 591,355.68 × 180,895.38 - Step 4: Simplify right side
394,394.94x = 106,973,510,448.76 - Step 5: Solve for x
x = 106,973,510,448.76/394,394.94 - Step 6: Final answer
x = 271,234.49
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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.