Finding the Fourth Proportional to 213,497.79, 320,302.26 and 63,738.15
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Solution
The fourth proportional to 213,497.79, 320,302.26 and 63,738.15 is: 95,623.82
Step by Step Solution
- Step 1: Write the proportion equation
213,497.79 : 320,302.26 = 63,738.15 : x - Step 2: Convert to fraction form
213,497.79/320,302.26 = 63,738.15/x - Step 3: Cross multiply
213,497.79x = 320,302.26 × 63,738.15 - Step 4: Simplify right side
213,497.79x = 20,415,473,493.22 - Step 5: Solve for x
x = 20,415,473,493.22/213,497.79 - Step 6: Final answer
x = 95,623.82
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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.