Finding the Fourth Proportional to 634,706.96, 952,063.68 and 213,986.48
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Solution
The fourth proportional to 634,706.96, 952,063.68 and 213,986.48 is: 320,980.81
Step by Step Solution
- Step 1: Write the proportion equation
634,706.96 : 952,063.68 = 213,986.48 : x - Step 2: Convert to fraction form
634,706.96/952,063.68 = 213,986.48/x - Step 3: Cross multiply
634,706.96x = 952,063.68 × 213,986.48 - Step 4: Simplify right side
634,706.96x = 203,728,755,619.05 - Step 5: Solve for x
x = 203,728,755,619.05/634,706.96 - Step 6: Final answer
x = 320,980.81
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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.