Finding the Fourth Proportional to 259,508.28, 358,121.49 and 146,331.06
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Solution
The fourth proportional to 259,508.28, 358,121.49 and 146,331.06 is: 201,936.90
Step by Step Solution
- Step 1: Write the proportion equation
259,508.28 : 358,121.49 = 146,331.06 : x - Step 2: Convert to fraction form
259,508.28/358,121.49 = 146,331.06/x - Step 3: Cross multiply
259,508.28x = 358,121.49 × 146,331.06 - Step 4: Simplify right side
259,508.28x = 52,404,297,240.48 - Step 5: Solve for x
x = 52,404,297,240.48/259,508.28 - Step 6: Final answer
x = 201,936.90
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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.