Finding the Fourth Proportional to 275,191.76, 412,918.09 and 132,957.31
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Solution
The fourth proportional to 275,191.76, 412,918.09 and 132,957.31 is: 199,498.99
Step by Step Solution
- Step 1: Write the proportion equation
275,191.76 : 412,918.09 = 132,957.31 : x - Step 2: Convert to fraction form
275,191.76/412,918.09 = 132,957.31/x - Step 3: Cross multiply
275,191.76x = 412,918.09 × 132,957.31 - Step 4: Simplify right side
275,191.76x = 54,900,477,831.95 - Step 5: Solve for x
x = 54,900,477,831.95/275,191.76 - Step 6: Final answer
x = 199,498.99
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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.