Finding the Fourth Proportional to 189,200.64, 283,718.71 and 54,234.99
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Solution
The fourth proportional to 189,200.64, 283,718.71 and 54,234.99 is: 81,328.91
Step by Step Solution
- Step 1: Write the proportion equation
189,200.64 : 283,718.71 = 54,234.99 : x - Step 2: Convert to fraction form
189,200.64/283,718.71 = 54,234.99/x - Step 3: Cross multiply
189,200.64x = 283,718.71 × 54,234.99 - Step 4: Simplify right side
189,200.64x = 15,387,481,467.46 - Step 5: Solve for x
x = 15,387,481,467.46/189,200.64 - Step 6: Final answer
x = 81,328.91
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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.