Finding the Fourth Proportional to 247,414.80, 371,122.20 and 188,365.80
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Solution
The fourth proportional to 247,414.80, 371,122.20 and 188,365.80 is: 282,548.70
Step by Step Solution
- Step 1: Write the proportion equation
247,414.80 : 371,122.20 = 188,365.80 : x - Step 2: Convert to fraction form
247,414.80/371,122.20 = 188,365.80/x - Step 3: Cross multiply
247,414.80x = 371,122.20 × 188,365.80 - Step 4: Simplify right side
247,414.80x = 69,906,730,100.76 - Step 5: Solve for x
x = 69,906,730,100.76/247,414.80 - Step 6: Final answer
x = 282,548.70
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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.