Finding the Fourth Proportional to 262,485.12, 393,136.79 and 183,949.95
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Solution
The fourth proportional to 262,485.12, 393,136.79 and 183,949.95 is: 275,510.82
Step by Step Solution
- Step 1: Write the proportion equation
262,485.12 : 393,136.79 = 183,949.95 : x - Step 2: Convert to fraction form
262,485.12/393,136.79 = 183,949.95/x - Step 3: Cross multiply
262,485.12x = 393,136.79 × 183,949.95 - Step 4: Simplify right side
262,485.12x = 72,317,491,943.91 - Step 5: Solve for x
x = 72,317,491,943.91/262,485.12 - Step 6: Final answer
x = 275,510.82
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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.