Finding the Fourth Proportional to 200,363.36, 276,438.84 and 115,468.88
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Solution
The fourth proportional to 200,363.36, 276,438.84 and 115,468.88 is: 159,310.98
Step by Step Solution
- Step 1: Write the proportion equation
200,363.36 : 276,438.84 = 115,468.88 : x - Step 2: Convert to fraction form
200,363.36/276,438.84 = 115,468.88/x - Step 3: Cross multiply
200,363.36x = 276,438.84 × 115,468.88 - Step 4: Simplify right side
200,363.36x = 31,920,083,243.30 - Step 5: Solve for x
x = 31,920,083,243.30/200,363.36 - Step 6: Final answer
x = 159,310.98
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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.