Finding the Fourth Proportional to 816,218.36, 1,224,325.92 and 217,179.49
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Solution
The fourth proportional to 816,218.36, 1,224,325.92 and 217,179.49 is: 325,768.80
Step by Step Solution
- Step 1: Write the proportion equation
816,218.36 : 1,224,325.92 = 217,179.49 : x - Step 2: Convert to fraction form
816,218.36/1,224,325.92 = 217,179.49/x - Step 3: Cross multiply
816,218.36x = 1,224,325.92 × 217,179.49 - Step 4: Simplify right side
816,218.36x = 265,898,478,899.38 - Step 5: Solve for x
x = 265,898,478,899.38/816,218.36 - Step 6: Final answer
x = 325,768.80
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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.