Finding the Fourth Proportional to 204,728.08, 307,181.36 and 71,703.76
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Solution
The fourth proportional to 204,728.08, 307,181.36 and 71,703.76 is: 107,586.90
Step by Step Solution
- Step 1: Write the proportion equation
204,728.08 : 307,181.36 = 71,703.76 : x - Step 2: Convert to fraction form
204,728.08/307,181.36 = 71,703.76/x - Step 3: Cross multiply
204,728.08x = 307,181.36 × 71,703.76 - Step 4: Simplify right side
204,728.08x = 22,026,058,513.91 - Step 5: Solve for x
x = 22,026,058,513.91/204,728.08 - Step 6: Final answer
x = 107,586.90
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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.