Finding the Fourth Proportional to 311,938.20, 467,907.30 and 125,083.80
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Solution
The fourth proportional to 311,938.20, 467,907.30 and 125,083.80 is: 187,625.70
Step by Step Solution
- Step 1: Write the proportion equation
311,938.20 : 467,907.30 = 125,083.80 : x - Step 2: Convert to fraction form
311,938.20/467,907.30 = 125,083.80/x - Step 3: Cross multiply
311,938.20x = 467,907.30 × 125,083.80 - Step 4: Simplify right side
311,938.20x = 58,527,623,131.74 - Step 5: Solve for x
x = 58,527,623,131.74/311,938.20 - Step 6: Final answer
x = 187,625.70
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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.