Finding the Fourth Proportional to 216,141.95, 324,105.68 and 73,946.99
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Solution
The fourth proportional to 216,141.95, 324,105.68 and 73,946.99 is: 110,883.80
Step by Step Solution
- Step 1: Write the proportion equation
216,141.95 : 324,105.68 = 73,946.99 : x - Step 2: Convert to fraction form
216,141.95/324,105.68 = 73,946.99/x - Step 3: Cross multiply
216,141.95x = 324,105.68 × 73,946.99 - Step 4: Simplify right side
216,141.95x = 23,966,640,473.03 - Step 5: Solve for x
x = 23,966,640,473.03/216,141.95 - Step 6: Final answer
x = 110,883.80
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1.5x scale
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.