Finding the Fourth Proportional to 505,349.18, 757,368.20 and 205,480.70
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Solution
The fourth proportional to 505,349.18, 757,368.20 and 205,480.70 is: 307,954.48
Step by Step Solution
- Step 1: Write the proportion equation
505,349.18 : 757,368.20 = 205,480.70 : x - Step 2: Convert to fraction form
505,349.18/757,368.20 = 205,480.70/x - Step 3: Cross multiply
505,349.18x = 757,368.20 × 205,480.70 - Step 4: Simplify right side
505,349.18x = 155,624,544,620.60 - Step 5: Solve for x
x = 155,624,544,620.60/505,349.18 - Step 6: Final answer
x = 307,954.48
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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.