Finding the Fourth Proportional to 311,021.24, 466,509.63 and 121,446.10
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Solution
The fourth proportional to 311,021.24, 466,509.63 and 121,446.10 is: 182,160.47
Step by Step Solution
- Step 1: Write the proportion equation
311,021.24 : 466,509.63 = 121,446.10 : x - Step 2: Convert to fraction form
311,021.24/466,509.63 = 121,446.10/x - Step 3: Cross multiply
311,021.24x = 466,509.63 × 121,446.10 - Step 4: Simplify right side
311,021.24x = 56,655,775,175.94 - Step 5: Solve for x
x = 56,655,775,175.94/311,021.24 - Step 6: Final answer
x = 182,160.47
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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.