Finding the Fourth Proportional to 100,707.05, 151,029.70 and 33,226.63
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Solution
The fourth proportional to 100,707.05, 151,029.70 and 33,226.63 is: 49,829.75
Step by Step Solution
- Step 1: Write the proportion equation
100,707.05 : 151,029.70 = 33,226.63 : x - Step 2: Convert to fraction form
100,707.05/151,029.70 = 33,226.63/x - Step 3: Cross multiply
100,707.05x = 151,029.70 × 33,226.63 - Step 4: Simplify right side
100,707.05x = 5,018,207,500.27 - Step 5: Solve for x
x = 5,018,207,500.27/100,707.05 - Step 6: Final answer
x = 49,829.75
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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.