Finding the Fourth Proportional to 209,810.62, 289,535.01 and 114,318.10
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Solution
The fourth proportional to 209,810.62, 289,535.01 and 114,318.10 is: 157,756.99
Step by Step Solution
- Step 1: Write the proportion equation
209,810.62 : 289,535.01 = 114,318.10 : x - Step 2: Convert to fraction form
209,810.62/289,535.01 = 114,318.10/x - Step 3: Cross multiply
209,810.62x = 289,535.01 × 114,318.10 - Step 4: Simplify right side
209,810.62x = 33,099,092,226.68 - Step 5: Solve for x
x = 33,099,092,226.68/209,810.62 - Step 6: Final answer
x = 157,756.99
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1.5x scale
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.