Finding the Fourth Proportional to 135,727.21, 203,590.81 and 73,519.21
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Solution
The fourth proportional to 135,727.21, 203,590.81 and 73,519.21 is: 110,278.81
Step by Step Solution
- Step 1: Write the proportion equation
135,727.21 : 203,590.81 = 73,519.21 : x - Step 2: Convert to fraction form
135,727.21/203,590.81 = 73,519.21/x - Step 3: Cross multiply
135,727.21x = 203,590.81 × 73,519.21 - Step 4: Simplify right side
135,727.21x = 14,967,835,514.46 - Step 5: Solve for x
x = 14,967,835,514.46/135,727.21 - Step 6: Final answer
x = 110,278.81
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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.