Finding the Fourth Proportional to 102,324.97, 153,521.61 and 45,391.02
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Solution
The fourth proportional to 102,324.97, 153,521.61 and 45,391.02 is: 68,101.68
Step by Step Solution
- Step 1: Write the proportion equation
102,324.97 : 153,521.61 = 45,391.02 : x - Step 2: Convert to fraction form
102,324.97/153,521.61 = 45,391.02/x - Step 3: Cross multiply
102,324.97x = 153,521.61 × 45,391.02 - Step 4: Simplify right side
102,324.97x = 6,968,502,469.94 - Step 5: Solve for x
x = 6,968,502,469.94/102,324.97 - Step 6: Final answer
x = 68,101.68
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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.