Finding the Fourth Proportional to 259,840.36, 358,579.38 and 146,660.68
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Solution
The fourth proportional to 259,840.36, 358,579.38 and 146,660.68 is: 202,391.56
Step by Step Solution
- Step 1: Write the proportion equation
259,840.36 : 358,579.38 = 146,660.68 : x - Step 2: Convert to fraction form
259,840.36/358,579.38 = 146,660.68/x - Step 3: Cross multiply
259,840.36x = 358,579.38 × 146,660.68 - Step 4: Simplify right side
259,840.36x = 52,589,495,704.78 - Step 5: Solve for x
x = 52,589,495,704.78/259,840.36 - Step 6: Final answer
x = 202,391.56
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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.