Finding the Fourth Proportional to 371,673.51, 512,906.63 and 201,908.85
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Solution
The fourth proportional to 371,673.51, 512,906.63 and 201,908.85 is: 278,632.68
Step by Step Solution
- Step 1: Write the proportion equation
371,673.51 : 512,906.63 = 201,908.85 : x - Step 2: Convert to fraction form
371,673.51/512,906.63 = 201,908.85/x - Step 3: Cross multiply
371,673.51x = 512,906.63 × 201,908.85 - Step 4: Simplify right side
371,673.51x = 103,560,386,811.13 - Step 5: Solve for x
x = 103,560,386,811.13/371,673.51 - Step 6: Final answer
x = 278,632.68
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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.