Finding the Fourth Proportional to 266,568.63, 399,916.12 and 79,584.99
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Solution
The fourth proportional to 266,568.63, 399,916.12 and 79,584.99 is: 119,396.35
Step by Step Solution
- Step 1: Write the proportion equation
266,568.63 : 399,916.12 = 79,584.99 : x - Step 2: Convert to fraction form
266,568.63/399,916.12 = 79,584.99/x - Step 3: Cross multiply
266,568.63x = 399,916.12 × 79,584.99 - Step 4: Simplify right side
266,568.63x = 31,827,320,411.04 - Step 5: Solve for x
x = 31,827,320,411.04/266,568.63 - Step 6: Final answer
x = 119,396.35
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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.