Finding the Fourth Proportional to 311,509.23, 466,953.29 and 131,640.02
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Solution
The fourth proportional to 311,509.23, 466,953.29 and 131,640.02 is: 197,328.79
Step by Step Solution
- Step 1: Write the proportion equation
311,509.23 : 466,953.29 = 131,640.02 : x - Step 2: Convert to fraction form
311,509.23/466,953.29 = 131,640.02/x - Step 3: Cross multiply
311,509.23x = 466,953.29 × 131,640.02 - Step 4: Simplify right side
311,509.23x = 61,469,739,686.42 - Step 5: Solve for x
x = 61,469,739,686.42/311,509.23 - Step 6: Final answer
x = 197,328.79
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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.