Finding the Fourth Proportional to 115,083.01, 172,624.97 and 40,202.87
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Solution
The fourth proportional to 115,083.01, 172,624.97 and 40,202.87 is: 60,304.46
Step by Step Solution
- Step 1: Write the proportion equation
115,083.01 : 172,624.97 = 40,202.87 : x - Step 2: Convert to fraction form
115,083.01/172,624.97 = 40,202.87/x - Step 3: Cross multiply
115,083.01x = 172,624.97 × 40,202.87 - Step 4: Simplify right side
115,083.01x = 6,940,018,465.05 - Step 5: Solve for x
x = 6,940,018,465.05/115,083.01 - Step 6: Final answer
x = 60,304.46
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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.