Finding the Fourth Proportional to 314,975.99, 472,685.39 and 284,861.00
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Solution
The fourth proportional to 314,975.99, 472,685.39 and 284,861.00 is: 427,491.74
Step by Step Solution
- Step 1: Write the proportion equation
314,975.99 : 472,685.39 = 284,861.00 : x - Step 2: Convert to fraction form
314,975.99/472,685.39 = 284,861.00/x - Step 3: Cross multiply
314,975.99x = 472,685.39 × 284,861.00 - Step 4: Simplify right side
314,975.99x = 134,649,633,706.43 - Step 5: Solve for x
x = 134,649,633,706.43/314,975.99 - Step 6: Final answer
x = 427,491.74
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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.