Finding the Fourth Proportional to 115,175.08, 172,771.36 and 39,250.02
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Solution
The fourth proportional to 115,175.08, 172,771.36 and 39,250.02 is: 58,878.01
Step by Step Solution
- Step 1: Write the proportion equation
115,175.08 : 172,771.36 = 39,250.02 : x - Step 2: Convert to fraction form
115,175.08/172,771.36 = 39,250.02/x - Step 3: Cross multiply
115,175.08x = 172,771.36 × 39,250.02 - Step 4: Simplify right side
115,175.08x = 6,781,279,335.43 - Step 5: Solve for x
x = 6,781,279,335.43/115,175.08 - Step 6: Final answer
x = 58,878.01
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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.