Finding the Fourth Proportional to 189,242.61, 283,542.57 and 114,205.08
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Solution
The fourth proportional to 189,242.61, 283,542.57 and 114,205.08 is: 171,113.69
Step by Step Solution
- Step 1: Write the proportion equation
189,242.61 : 283,542.57 = 114,205.08 : x - Step 2: Convert to fraction form
189,242.61/283,542.57 = 114,205.08/x - Step 3: Cross multiply
189,242.61x = 283,542.57 × 114,205.08 - Step 4: Simplify right side
189,242.61x = 32,382,001,890.26 - Step 5: Solve for x
x = 32,382,001,890.26/189,242.61 - Step 6: Final answer
x = 171,113.69
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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.