Finding the Fourth Proportional to 199,642.16, 275,508.84 and 108,997.08
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Solution
The fourth proportional to 199,642.16, 275,508.84 and 108,997.08 is: 150,417.42
Step by Step Solution
- Step 1: Write the proportion equation
199,642.16 : 275,508.84 = 108,997.08 : x - Step 2: Convert to fraction form
199,642.16/275,508.84 = 108,997.08/x - Step 3: Cross multiply
199,642.16x = 275,508.84 × 108,997.08 - Step 4: Simplify right side
199,642.16x = 30,029,659,074.19 - Step 5: Solve for x
x = 30,029,659,074.19/199,642.16 - Step 6: Final answer
x = 150,417.42
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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.