Finding the Fourth Proportional to 115,266.99, 172,858.87 and 48,712.26
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Solution
The fourth proportional to 115,266.99, 172,858.87 and 48,712.26 is: 73,050.80
Step by Step Solution
- Step 1: Write the proportion equation
115,266.99 : 172,858.87 = 48,712.26 : x - Step 2: Convert to fraction form
115,266.99/172,858.87 = 48,712.26/x - Step 3: Cross multiply
115,266.99x = 172,858.87 × 48,712.26 - Step 4: Simplify right side
115,266.99x = 8,420,346,218.75 - Step 5: Solve for x
x = 8,420,346,218.75/115,266.99 - Step 6: Final answer
x = 73,050.80
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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.