Finding the Fourth Proportional to 246,316.94, 339,917.46 and 133,139.69
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Solution
The fourth proportional to 246,316.94, 339,917.46 and 133,139.69 is: 183,732.81
Step by Step Solution
- Step 1: Write the proportion equation
246,316.94 : 339,917.46 = 133,139.69 : x - Step 2: Convert to fraction form
246,316.94/339,917.46 = 133,139.69/x - Step 3: Cross multiply
246,316.94x = 339,917.46 × 133,139.69 - Step 4: Simplify right side
246,316.94x = 45,256,503,550.40 - Step 5: Solve for x
x = 45,256,503,550.40/246,316.94 - Step 6: Final answer
x = 183,732.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.