Finding the Fourth Proportional to 155,062.20, 232,609.39 and 42,742.44
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Solution
The fourth proportional to 155,062.20, 232,609.39 and 42,742.44 is: 64,118.09
Step by Step Solution
- Step 1: Write the proportion equation
155,062.20 : 232,609.39 = 42,742.44 : x - Step 2: Convert to fraction form
155,062.20/232,609.39 = 42,742.44/x - Step 3: Cross multiply
155,062.20x = 232,609.39 × 42,742.44 - Step 4: Simplify right side
155,062.20x = 9,942,291,518.75 - Step 5: Solve for x
x = 9,942,291,518.75/155,062.20 - Step 6: Final answer
x = 64,118.09
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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.