Finding the Fourth Proportional to 284,880.46, 427,368.21 and 127,102.99
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Solution
The fourth proportional to 284,880.46, 427,368.21 and 127,102.99 is: 190,675.69
Step by Step Solution
- Step 1: Write the proportion equation
284,880.46 : 427,368.21 = 127,102.99 : x - Step 2: Convert to fraction form
284,880.46/427,368.21 = 127,102.99/x - Step 3: Cross multiply
284,880.46x = 427,368.21 × 127,102.99 - Step 4: Simplify right side
284,880.46x = 54,319,777,321.95 - Step 5: Solve for x
x = 54,319,777,321.95/284,880.46 - Step 6: Final answer
x = 190,675.69
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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.