Finding the Fourth Proportional to 269,747.96, 372,246.50 and 147,236.30
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Solution
The fourth proportional to 269,747.96, 372,246.50 and 147,236.30 is: 203,182.99
Step by Step Solution
- Step 1: Write the proportion equation
269,747.96 : 372,246.50 = 147,236.30 : x - Step 2: Convert to fraction form
269,747.96/372,246.50 = 147,236.30/x - Step 3: Cross multiply
269,747.96x = 372,246.50 × 147,236.30 - Step 4: Simplify right side
269,747.96x = 54,808,197,250.73 - Step 5: Solve for x
x = 54,808,197,250.73/269,747.96 - Step 6: Final answer
x = 203,182.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.