Finding the Fourth Proportional to 174,475.80, 261,713.70 and 156,979.80
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Solution
The fourth proportional to 174,475.80, 261,713.70 and 156,979.80 is: 235,469.70
Step by Step Solution
- Step 1: Write the proportion equation
174,475.80 : 261,713.70 = 156,979.80 : x - Step 2: Convert to fraction form
174,475.80/261,713.70 = 156,979.80/x - Step 3: Cross multiply
174,475.80x = 261,713.70 × 156,979.80 - Step 4: Simplify right side
174,475.80x = 41,083,764,283.26 - Step 5: Solve for x
x = 41,083,764,283.26/174,475.80 - Step 6: Final answer
x = 235,469.70
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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.