Finding the Fourth Proportional to 222,627.44, 307,257.36 and 137,771.84
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Solution
The fourth proportional to 222,627.44, 307,257.36 and 137,771.84 is: 190,144.63
Step by Step Solution
- Step 1: Write the proportion equation
222,627.44 : 307,257.36 = 137,771.84 : x - Step 2: Convert to fraction form
222,627.44/307,257.36 = 137,771.84/x - Step 3: Cross multiply
222,627.44x = 307,257.36 × 137,771.84 - Step 4: Simplify right side
222,627.44x = 42,331,411,840.74 - Step 5: Solve for x
x = 42,331,411,840.74/222,627.44 - Step 6: Final answer
x = 190,144.63
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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.