Finding the Fourth Proportional to 216,033.23, 298,125.67 and 120,539.92
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Solution
The fourth proportional to 216,033.23, 298,125.67 and 120,539.92 is: 166,344.99
Step by Step Solution
- Step 1: Write the proportion equation
216,033.23 : 298,125.67 = 120,539.92 : x - Step 2: Convert to fraction form
216,033.23/298,125.67 = 120,539.92/x - Step 3: Cross multiply
216,033.23x = 298,125.67 × 120,539.92 - Step 4: Simplify right side
216,033.23x = 35,936,044,411.75 - Step 5: Solve for x
x = 35,936,044,411.75/216,033.23 - Step 6: Final answer
x = 166,344.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.