Finding the Fourth Proportional to 371,208.97, 512,265.38 and 201,443.09
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Solution
The fourth proportional to 371,208.97, 512,265.38 and 201,443.09 is: 277,989.84
Step by Step Solution
- Step 1: Write the proportion equation
371,208.97 : 512,265.38 = 201,443.09 : x - Step 2: Convert to fraction form
371,208.97/512,265.38 = 201,443.09/x - Step 3: Cross multiply
371,208.97x = 512,265.38 × 201,443.09 - Step 4: Simplify right side
371,208.97x = 103,192,322,831.50 - Step 5: Solve for x
x = 103,192,322,831.50/371,208.97 - Step 6: Final answer
x = 277,989.84
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1.5x scale
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.