Finding the Fourth Proportional to 222,220.41, 306,661.92 and 120,243.63
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Solution
The fourth proportional to 222,220.41, 306,661.92 and 120,243.63 is: 165,934.99
Step by Step Solution
- Step 1: Write the proportion equation
222,220.41 : 306,661.92 = 120,243.63 : x - Step 2: Convert to fraction form
222,220.41/306,661.92 = 120,243.63/x - Step 3: Cross multiply
222,220.41x = 306,661.92 × 120,243.63 - Step 4: Simplify right side
222,220.41x = 36,874,142,443.57 - Step 5: Solve for x
x = 36,874,142,443.57/222,220.41 - Step 6: Final answer
x = 165,934.99
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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.