Finding the Fourth Proportional to 371,574.36, 512,772.18 and 201,807.26
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Solution
The fourth proportional to 371,574.36, 512,772.18 and 201,807.26 is: 278,493.78
Step by Step Solution
- Step 1: Write the proportion equation
371,574.36 : 512,772.18 = 201,807.26 : x - Step 2: Convert to fraction form
371,574.36/512,772.18 = 201,807.26/x - Step 3: Cross multiply
371,574.36x = 512,772.18 × 201,807.26 - Step 4: Simplify right side
371,574.36x = 103,481,148,650.03 - Step 5: Solve for x
x = 103,481,148,650.03/371,574.36 - Step 6: Final answer
x = 278,493.78
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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.