Finding the Fourth Proportional to 222,560.63, 307,133.67 and 121,958.63
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Solution
The fourth proportional to 222,560.63, 307,133.67 and 121,958.63 is: 168,302.91
Step by Step Solution
- Step 1: Write the proportion equation
222,560.63 : 307,133.67 = 121,958.63 : x - Step 2: Convert to fraction form
222,560.63/307,133.67 = 121,958.63/x - Step 3: Cross multiply
222,560.63x = 307,133.67 × 121,958.63 - Step 4: Simplify right side
222,560.63x = 37,457,600,084.40 - Step 5: Solve for x
x = 37,457,600,084.40/222,560.63 - Step 6: Final answer
x = 168,302.91
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1.5x scale
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.