Finding the Fourth Proportional to 311,530.16, 466,984.68 and 131,660.96
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Solution
The fourth proportional to 311,530.16, 466,984.68 and 131,660.96 is: 197,360.19
Step by Step Solution
- Step 1: Write the proportion equation
311,530.16 : 466,984.68 = 131,660.96 : x - Step 2: Convert to fraction form
311,530.16/466,984.68 = 131,660.96/x - Step 3: Cross multiply
311,530.16x = 466,984.68 × 131,660.96 - Step 4: Simplify right side
311,530.16x = 61,483,651,274.09 - Step 5: Solve for x
x = 61,483,651,274.09/311,530.16 - Step 6: Final answer
x = 197,360.19
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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.