Finding the Fourth Proportional to 311,397.68, 467,024.83 and 121,862.54
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Solution
The fourth proportional to 311,397.68, 467,024.83 and 121,862.54 is: 182,765.75
Step by Step Solution
- Step 1: Write the proportion equation
311,397.68 : 467,024.83 = 121,862.54 : x - Step 2: Convert to fraction form
311,397.68/467,024.83 = 121,862.54/x - Step 3: Cross multiply
311,397.68x = 467,024.83 × 121,862.54 - Step 4: Simplify right side
311,397.68x = 56,912,829,082.43 - Step 5: Solve for x
x = 56,912,829,082.43/311,397.68 - Step 6: Final answer
x = 182,765.75
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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.