Finding the Fourth Proportional to 124,469.20, 186,358.20 and 121,013.20
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Solution
The fourth proportional to 124,469.20, 186,358.20 and 121,013.20 is: 181,183.80
Step by Step Solution
- Step 1: Write the proportion equation
124,469.20 : 186,358.20 = 121,013.20 : x - Step 2: Convert to fraction form
124,469.20/186,358.20 = 121,013.20/x - Step 3: Cross multiply
124,469.20x = 186,358.20 × 121,013.20 - Step 4: Simplify right side
124,469.20x = 22,551,802,128.24 - Step 5: Solve for x
x = 22,551,802,128.24/124,469.20 - Step 6: Final answer
x = 181,183.80
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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.