Finding the Fourth Proportional to 329,238.57, 493,858.09 and 92,581.28
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Solution
The fourth proportional to 329,238.57, 493,858.09 and 92,581.28 is: 138,871.99
Step by Step Solution
- Step 1: Write the proportion equation
329,238.57 : 493,858.09 = 92,581.28 : x - Step 2: Convert to fraction form
329,238.57/493,858.09 = 92,581.28/x - Step 3: Cross multiply
329,238.57x = 493,858.09 × 92,581.28 - Step 4: Simplify right side
329,238.57x = 45,722,014,110.56 - Step 5: Solve for x
x = 45,722,014,110.56/329,238.57 - Step 6: Final answer
x = 138,871.99
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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.