Finding the Fourth Proportional to 351,684.48, 485,295.86 and 206,474.97
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Solution
The fourth proportional to 351,684.48, 485,295.86 and 206,474.97 is: 284,918.59
Step by Step Solution
- Step 1: Write the proportion equation
351,684.48 : 485,295.86 = 206,474.97 : x - Step 2: Convert to fraction form
351,684.48/485,295.86 = 206,474.97/x - Step 3: Cross multiply
351,684.48x = 485,295.86 × 206,474.97 - Step 4: Simplify right side
351,684.48x = 100,201,447,102.25 - Step 5: Solve for x
x = 100,201,447,102.25/351,684.48 - Step 6: Final answer
x = 284,918.59
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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.