Finding the Fourth Proportional to 157,324.16, 217,187.84 and 106,604.96
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Solution
The fourth proportional to 157,324.16, 217,187.84 and 106,604.96 is: 147,169.39
Step by Step Solution
- Step 1: Write the proportion equation
157,324.16 : 217,187.84 = 106,604.96 : x - Step 2: Convert to fraction form
157,324.16/217,187.84 = 106,604.96/x - Step 3: Cross multiply
157,324.16x = 217,187.84 × 106,604.96 - Step 4: Simplify right side
157,324.16x = 23,153,300,995.69 - Step 5: Solve for x
x = 23,153,300,995.69/157,324.16 - Step 6: Final answer
x = 147,169.39
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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.