Finding the Fourth Proportional to 311,944.20, 467,916.30 and 125,089.80
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Solution
The fourth proportional to 311,944.20, 467,916.30 and 125,089.80 is: 187,634.70
Step by Step Solution
- Step 1: Write the proportion equation
311,944.20 : 467,916.30 = 125,089.80 : x - Step 2: Convert to fraction form
311,944.20/467,916.30 = 125,089.80/x - Step 3: Cross multiply
311,944.20x = 467,916.30 × 125,089.80 - Step 4: Simplify right side
311,944.20x = 58,531,556,383.74 - Step 5: Solve for x
x = 58,531,556,383.74/311,944.20 - Step 6: Final answer
x = 187,634.70
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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.