Finding the Fourth Proportional to 222,771.12, 307,536.12 and 145,281.84
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Solution
The fourth proportional to 222,771.12, 307,536.12 and 145,281.84 is: 200,561.96
Step by Step Solution
- Step 1: Write the proportion equation
222,771.12 : 307,536.12 = 145,281.84 : x - Step 2: Convert to fraction form
222,771.12/307,536.12 = 145,281.84/x - Step 3: Cross multiply
222,771.12x = 307,536.12 × 145,281.84 - Step 4: Simplify right side
222,771.12x = 44,679,413,380.06 - Step 5: Solve for x
x = 44,679,413,380.06/222,771.12 - Step 6: Final answer
x = 200,561.96
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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.