Finding the Fourth Proportional to 115,177.48, 172,724.91 and 44,120.09
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Solution
The fourth proportional to 115,177.48, 172,724.91 and 44,120.09 is: 66,164.31
Step by Step Solution
- Step 1: Write the proportion equation
115,177.48 : 172,724.91 = 44,120.09 : x - Step 2: Convert to fraction form
115,177.48/172,724.91 = 44,120.09/x - Step 3: Cross multiply
115,177.48x = 172,724.91 × 44,120.09 - Step 4: Simplify right side
115,177.48x = 7,620,638,840.80 - Step 5: Solve for x
x = 7,620,638,840.80/115,177.48 - Step 6: Final answer
x = 66,164.31
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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.