Finding the Fourth Proportional to 494,324.99, 682,159.46 and 279,465.12
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Solution
The fourth proportional to 494,324.99, 682,159.46 and 279,465.12 is: 385,656.76
Step by Step Solution
- Step 1: Write the proportion equation
494,324.99 : 682,159.46 = 279,465.12 : x - Step 2: Convert to fraction form
494,324.99/682,159.46 = 279,465.12/x - Step 3: Cross multiply
494,324.99x = 682,159.46 × 279,465.12 - Step 4: Simplify right side
494,324.99x = 190,639,773,950.71 - Step 5: Solve for x
x = 190,639,773,950.71/494,324.99 - Step 6: Final answer
x = 385,656.76
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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.