Finding the Fourth Proportional to 174,025.80, 261,038.70 and 129,739.05
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Solution
The fourth proportional to 174,025.80, 261,038.70 and 129,739.05 is: 194,608.58
Step by Step Solution
- Step 1: Write the proportion equation
174,025.80 : 261,038.70 = 129,739.05 : x - Step 2: Convert to fraction form
174,025.80/261,038.70 = 129,739.05/x - Step 3: Cross multiply
174,025.80x = 261,038.70 × 129,739.05 - Step 4: Simplify right side
174,025.80x = 33,866,912,951.24 - Step 5: Solve for x
x = 33,866,912,951.24/174,025.80 - Step 6: Final answer
x = 194,608.58
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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.