Finding the Fourth Proportional to 508,288.57, 701,435.37 and 278,839.99
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Solution
The fourth proportional to 508,288.57, 701,435.37 and 278,839.99 is: 384,797.62
Step by Step Solution
- Step 1: Write the proportion equation
508,288.57 : 701,435.37 = 278,839.99 : x - Step 2: Convert to fraction form
508,288.57/701,435.37 = 278,839.99/x - Step 3: Cross multiply
508,288.57x = 701,435.37 × 278,839.99 - Step 4: Simplify right side
508,288.57x = 195,588,231,556.45 - Step 5: Solve for x
x = 195,588,231,556.45/508,288.57 - Step 6: Final answer
x = 384,797.62
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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.