Finding the Fourth Proportional to 209,567.99, 289,210.35 and 114,081.05
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Solution
The fourth proportional to 209,567.99, 289,210.35 and 114,081.05 is: 157,435.39
Step by Step Solution
- Step 1: Write the proportion equation
209,567.99 : 289,210.35 = 114,081.05 : x - Step 2: Convert to fraction form
209,567.99/289,210.35 = 114,081.05/x - Step 3: Cross multiply
209,567.99x = 289,210.35 × 114,081.05 - Step 4: Simplify right side
209,567.99x = 32,993,418,382.41 - Step 5: Solve for x
x = 32,993,418,382.41/209,567.99 - Step 6: Final answer
x = 157,435.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.