Finding the Fourth Proportional to 366,968.70, 550,453.05 and 307,919.70
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Solution
The fourth proportional to 366,968.70, 550,453.05 and 307,919.70 is: 461,879.55
Step by Step Solution
- Step 1: Write the proportion equation
366,968.70 : 550,453.05 = 307,919.70 : x - Step 2: Convert to fraction form
366,968.70/550,453.05 = 307,919.70/x - Step 3: Cross multiply
366,968.70x = 550,453.05 × 307,919.70 - Step 4: Simplify right side
366,968.70x = 169,495,338,020.09 - Step 5: Solve for x
x = 169,495,338,020.09/366,968.70 - Step 6: Final answer
x = 461,879.55
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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.