Finding the Fourth Proportional to 110,122.97, 165,184.57 and 30,155.09
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Solution
The fourth proportional to 110,122.97, 165,184.57 and 30,155.09 is: 45,232.66
Step by Step Solution
- Step 1: Write the proportion equation
110,122.97 : 165,184.57 = 30,155.09 : x - Step 2: Convert to fraction form
110,122.97/165,184.57 = 30,155.09/x - Step 3: Cross multiply
110,122.97x = 165,184.57 × 30,155.09 - Step 4: Simplify right side
110,122.97x = 4,981,154,617.11 - Step 5: Solve for x
x = 4,981,154,617.11/110,122.97 - Step 6: Final answer
x = 45,232.66
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1.5x scale
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.