Finding the Fourth Proportional to 199,640.70, 299,461.05 and 179,957.70
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Solution
The fourth proportional to 199,640.70, 299,461.05 and 179,957.70 is: 269,936.55
Step by Step Solution
- Step 1: Write the proportion equation
199,640.70 : 299,461.05 = 179,957.70 : x - Step 2: Convert to fraction form
199,640.70/299,461.05 = 179,957.70/x - Step 3: Cross multiply
199,640.70x = 299,461.05 × 179,957.70 - Step 4: Simplify right side
199,640.70x = 53,890,321,797.59 - Step 5: Solve for x
x = 53,890,321,797.59/199,640.70 - Step 6: Final answer
x = 269,936.55
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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.