Finding the Fourth Proportional to 115,259.48, 172,847.62 and 48,704.75
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Solution
The fourth proportional to 115,259.48, 172,847.62 and 48,704.75 is: 73,039.55
Step by Step Solution
- Step 1: Write the proportion equation
115,259.48 : 172,847.62 = 48,704.75 : x - Step 2: Convert to fraction form
115,259.48/172,847.62 = 48,704.75/x - Step 3: Cross multiply
115,259.48x = 172,847.62 × 48,704.75 - Step 4: Simplify right side
115,259.48x = 8,418,500,120.20 - Step 5: Solve for x
x = 8,418,500,120.20/115,259.48 - Step 6: Final answer
x = 73,039.55
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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.