Finding the Fourth Proportional to 115,203.80, 172,805.70 and 32,097.80
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Solution
The fourth proportional to 115,203.80, 172,805.70 and 32,097.80 is: 48,146.70
Step by Step Solution
- Step 1: Write the proportion equation
115,203.80 : 172,805.70 = 32,097.80 : x - Step 2: Convert to fraction form
115,203.80/172,805.70 = 32,097.80/x - Step 3: Cross multiply
115,203.80x = 172,805.70 × 32,097.80 - Step 4: Simplify right side
115,203.80x = 5,546,682,797.46 - Step 5: Solve for x
x = 5,546,682,797.46/115,203.80 - Step 6: Final answer
x = 48,146.70
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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.