Finding the Fourth Proportional to 305,792.70, 456,629.69 and 249,743.99
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Solution
The fourth proportional to 305,792.70, 456,629.69 and 249,743.99 is: 372,934.10
Step by Step Solution
- Step 1: Write the proportion equation
305,792.70 : 456,629.69 = 249,743.99 : x - Step 2: Convert to fraction form
305,792.70/456,629.69 = 249,743.99/x - Step 3: Cross multiply
305,792.70x = 456,629.69 × 249,743.99 - Step 4: Simplify right side
305,792.70x = 114,040,522,499.00 - Step 5: Solve for x
x = 114,040,522,499.00/305,792.70 - Step 6: Final answer
x = 372,934.10
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.