Finding the Fourth Proportional to 224,722.73, 310,091.41 and 129,260.18
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Solution
The fourth proportional to 224,722.73, 310,091.41 and 129,260.18 is: 178,364.12
Step by Step Solution
- Step 1: Write the proportion equation
224,722.73 : 310,091.41 = 129,260.18 : x - Step 2: Convert to fraction form
224,722.73/310,091.41 = 129,260.18/x - Step 3: Cross multiply
224,722.73x = 310,091.41 × 129,260.18 - Step 4: Simplify right side
224,722.73x = 40,082,471,473.05 - Step 5: Solve for x
x = 40,082,471,473.05/224,722.73 - Step 6: Final answer
x = 178,364.12
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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.