Finding the Fourth Proportional to 371,192.77, 512,247.42 and 201,426.91
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Solution
The fourth proportional to 371,192.77, 512,247.42 and 201,426.91 is: 277,969.89
Step by Step Solution
- Step 1: Write the proportion equation
371,192.77 : 512,247.42 = 201,426.91 : x - Step 2: Convert to fraction form
371,192.77/512,247.42 = 201,426.91/x - Step 3: Cross multiply
371,192.77x = 512,247.42 × 201,426.91 - Step 4: Simplify right side
371,192.77x = 103,180,414,966.07 - Step 5: Solve for x
x = 103,180,414,966.07/371,192.77 - Step 6: Final answer
x = 277,969.89
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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.