Finding the Fourth Proportional to 816,117.20, 1,224,174.24 and 217,079
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Solution
The fourth proportional to 816,117.20, 1,224,174.24 and 217,079 is: 325,618.09
Step by Step Solution
- Step 1: Write the proportion equation
816,117.20 : 1,224,174.24 = 217,079 : x - Step 2: Convert to fraction form
816,117.20/1,224,174.24 = 217,079/x - Step 3: Cross multiply
816,117.20x = 1,224,174.24 × 217,079 - Step 4: Simplify right side
816,117.20x = 265,742,519,844.96 - Step 5: Solve for x
x = 265,742,519,844.96/816,117.20 - Step 6: Final answer
x = 325,618.09
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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.