Finding the Fourth Proportional to 115,259.22, 172,906.74 and 48,699.68
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Solution
The fourth proportional to 115,259.22, 172,906.74 and 48,699.68 is: 73,057.08
Step by Step Solution
- Step 1: Write the proportion equation
115,259.22 : 172,906.74 = 48,699.68 : x - Step 2: Convert to fraction form
115,259.22/172,906.74 = 48,699.68/x - Step 3: Cross multiply
115,259.22x = 172,906.74 × 48,699.68 - Step 4: Simplify right side
115,259.22x = 8,420,502,043.31 - Step 5: Solve for x
x = 8,420,502,043.31/115,259.22 - Step 6: Final answer
x = 73,057.08
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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.