Finding the Fourth Proportional to 221,041.14, 331,325.62 and 126,066.84
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Solution
The fourth proportional to 221,041.14, 331,325.62 and 126,066.84 is: 188,965.61
Step by Step Solution
- Step 1: Write the proportion equation
221,041.14 : 331,325.62 = 126,066.84 : x - Step 2: Convert to fraction form
221,041.14/331,325.62 = 126,066.84/x - Step 3: Cross multiply
221,041.14x = 331,325.62 × 126,066.84 - Step 4: Simplify right side
221,041.14x = 41,769,173,924.44 - Step 5: Solve for x
x = 41,769,173,924.44/221,041.14 - Step 6: Final answer
x = 188,965.61
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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.