Finding the Fourth Proportional to 284,311.28, 426,614.52 and 115,955.12
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Solution
The fourth proportional to 284,311.28, 426,614.52 and 115,955.12 is: 173,992.88
Step by Step Solution
- Step 1: Write the proportion equation
284,311.28 : 426,614.52 = 115,955.12 : x - Step 2: Convert to fraction form
284,311.28/426,614.52 = 115,955.12/x - Step 3: Cross multiply
284,311.28x = 426,614.52 × 115,955.12 - Step 4: Simplify right side
284,311.28x = 49,468,137,860.34 - Step 5: Solve for x
x = 49,468,137,860.34/284,311.28 - Step 6: Final answer
x = 173,992.88
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1.5x scale
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.