Finding the Fourth Proportional to 191,859.55, 287,625.21 and 73,615.75
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Solution
The fourth proportional to 191,859.55, 287,625.21 and 73,615.75 is: 110,360.65
Step by Step Solution
- Step 1: Write the proportion equation
191,859.55 : 287,625.21 = 73,615.75 : x - Step 2: Convert to fraction form
191,859.55/287,625.21 = 73,615.75/x - Step 3: Cross multiply
191,859.55x = 287,625.21 × 73,615.75 - Step 4: Simplify right side
191,859.55x = 21,173,745,553.06 - Step 5: Solve for x
x = 21,173,745,553.06/191,859.55 - Step 6: Final answer
x = 110,360.65
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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.