Finding the Fourth Proportional to 157,542.75, 236,313.72 and 67,527.08
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Solution
The fourth proportional to 157,542.75, 236,313.72 and 67,527.08 is: 101,290.45
Step by Step Solution
- Step 1: Write the proportion equation
157,542.75 : 236,313.72 = 67,527.08 : x - Step 2: Convert to fraction form
157,542.75/236,313.72 = 67,527.08/x - Step 3: Cross multiply
157,542.75x = 236,313.72 × 67,527.08 - Step 4: Simplify right side
157,542.75x = 15,957,575,654.90 - Step 5: Solve for x
x = 15,957,575,654.90/157,542.75 - Step 6: Final answer
x = 101,290.45
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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.