Finding the Fourth Proportional to 109,313.47, 163,832.07 and 58,586.44
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Solution
The fourth proportional to 109,313.47, 163,832.07 and 58,586.44 is: 87,805.63
Step by Step Solution
- Step 1: Write the proportion equation
109,313.47 : 163,832.07 = 58,586.44 : x - Step 2: Convert to fraction form
109,313.47/163,832.07 = 58,586.44/x - Step 3: Cross multiply
109,313.47x = 163,832.07 × 58,586.44 - Step 4: Simplify right side
109,313.47x = 9,598,337,739.13 - Step 5: Solve for x
x = 9,598,337,739.13/109,313.47 - Step 6: Final answer
x = 87,805.63
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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.