Finding the Fourth Proportional to 209,242.56, 313,737.48 and 84,437.76
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Solution
The fourth proportional to 209,242.56, 313,737.48 and 84,437.76 is: 126,605.65
Step by Step Solution
- Step 1: Write the proportion equation
209,242.56 : 313,737.48 = 84,437.76 : x - Step 2: Convert to fraction form
209,242.56/313,737.48 = 84,437.76/x - Step 3: Cross multiply
209,242.56x = 313,737.48 × 84,437.76 - Step 4: Simplify right side
209,242.56x = 26,491,290,039.24 - Step 5: Solve for x
x = 26,491,290,039.24/209,242.56 - Step 6: Final answer
x = 126,605.65
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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.