Finding the Fourth Proportional to 459,979.46, 634,771.69 and 256,025.99
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Solution
The fourth proportional to 459,979.46, 634,771.69 and 256,025.99 is: 353,315.88
Step by Step Solution
- Step 1: Write the proportion equation
459,979.46 : 634,771.69 = 256,025.99 : x - Step 2: Convert to fraction form
459,979.46/634,771.69 = 256,025.99/x - Step 3: Cross multiply
459,979.46x = 634,771.69 × 256,025.99 - Step 4: Simplify right side
459,979.46x = 162,518,049,517.79 - Step 5: Solve for x
x = 162,518,049,517.79/459,979.46 - Step 6: Final answer
x = 353,315.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.