Finding the Fourth Proportional to 222,886.26, 307,581.84 and 120,913.74
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Solution
The fourth proportional to 222,886.26, 307,581.84 and 120,913.74 is: 166,860.31
Step by Step Solution
- Step 1: Write the proportion equation
222,886.26 : 307,581.84 = 120,913.74 : x - Step 2: Convert to fraction form
222,886.26/307,581.84 = 120,913.74/x - Step 3: Cross multiply
222,886.26x = 307,581.84 × 120,913.74 - Step 4: Simplify right side
222,886.26x = 37,190,870,630.48 - Step 5: Solve for x
x = 37,190,870,630.48/222,886.26 - Step 6: Final answer
x = 166,860.31
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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.