Finding the Fourth Proportional to 284,037.99, 425,983.90 and 84,311.07
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Solution
The fourth proportional to 284,037.99, 425,983.90 and 84,311.07 is: 126,444.91
Step by Step Solution
- Step 1: Write the proportion equation
284,037.99 : 425,983.90 = 84,311.07 : x - Step 2: Convert to fraction form
284,037.99/425,983.90 = 84,311.07/x - Step 3: Cross multiply
284,037.99x = 425,983.90 × 84,311.07 - Step 4: Simplify right side
284,037.99x = 35,915,158,411.77 - Step 5: Solve for x
x = 35,915,158,411.77/284,037.99 - Step 6: Final answer
x = 126,444.91
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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.