Finding the Fourth Proportional to 189,523.98, 284,284.58 and 77,177.79
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Solution
The fourth proportional to 189,523.98, 284,284.58 and 77,177.79 is: 115,766.12
Step by Step Solution
- Step 1: Write the proportion equation
189,523.98 : 284,284.58 = 77,177.79 : x - Step 2: Convert to fraction form
189,523.98/284,284.58 = 77,177.79/x - Step 3: Cross multiply
189,523.98x = 284,284.58 × 77,177.79 - Step 4: Simplify right side
189,523.98x = 21,940,455,229.59 - Step 5: Solve for x
x = 21,940,455,229.59/189,523.98 - Step 6: Final answer
x = 115,766.12
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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.