Finding the Fourth Proportional to 149,660.09, 206,478.80 and 95,974.70
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Solution
The fourth proportional to 149,660.09, 206,478.80 and 95,974.70 is: 132,411.66
Step by Step Solution
- Step 1: Write the proportion equation
149,660.09 : 206,478.80 = 95,974.70 : x - Step 2: Convert to fraction form
149,660.09/206,478.80 = 95,974.70/x - Step 3: Cross multiply
149,660.09x = 206,478.80 × 95,974.70 - Step 4: Simplify right side
149,660.09x = 19,816,740,886.36 - Step 5: Solve for x
x = 19,816,740,886.36/149,660.09 - Step 6: Final answer
x = 132,411.66
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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.