Finding the Fourth Proportional to 146,378.88, 201,997.44 and 79,309.44
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Solution
The fourth proportional to 146,378.88, 201,997.44 and 79,309.44 is: 109,444.09
Step by Step Solution
- Step 1: Write the proportion equation
146,378.88 : 201,997.44 = 79,309.44 : x - Step 2: Convert to fraction form
146,378.88/201,997.44 = 79,309.44/x - Step 3: Cross multiply
146,378.88x = 201,997.44 × 79,309.44 - Step 4: Simplify right side
146,378.88x = 16,020,303,847.83 - Step 5: Solve for x
x = 16,020,303,847.83/146,378.88 - Step 6: Final answer
x = 109,444.09
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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.