Finding the Fourth Proportional to 213,537.10, 320,327.52 and 73,277.50
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Solution
The fourth proportional to 213,537.10, 320,327.52 and 73,277.50 is: 109,923.75
Step by Step Solution
- Step 1: Write the proportion equation
213,537.10 : 320,327.52 = 73,277.50 : x - Step 2: Convert to fraction form
213,537.10/320,327.52 = 73,277.50/x - Step 3: Cross multiply
213,537.10x = 320,327.52 × 73,277.50 - Step 4: Simplify right side
213,537.10x = 23,472,799,846.80 - Step 5: Solve for x
x = 23,472,799,846.80/213,537.10 - Step 6: Final answer
x = 109,923.75
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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.