Finding the Fourth Proportional to 259,660.10, 389,708.85 and 102,001.70
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Solution
The fourth proportional to 259,660.10, 389,708.85 and 102,001.70 is: 153,088.46
Step by Step Solution
- Step 1: Write the proportion equation
259,660.10 : 389,708.85 = 102,001.70 : x - Step 2: Convert to fraction form
259,660.10/389,708.85 = 102,001.70/x - Step 3: Cross multiply
259,660.10x = 389,708.85 × 102,001.70 - Step 4: Simplify right side
259,660.10x = 39,750,965,205.05 - Step 5: Solve for x
x = 39,750,965,205.05/259,660.10 - Step 6: Final answer
x = 153,088.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.