Finding the Fourth Proportional to 370,876.56, 511,809.61 and 201,110.68
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Solution
The fourth proportional to 370,876.56, 511,809.61 and 201,110.68 is: 277,532.72
Step by Step Solution
- Step 1: Write the proportion equation
370,876.56 : 511,809.61 = 201,110.68 : x - Step 2: Convert to fraction form
370,876.56/511,809.61 = 201,110.68/x - Step 3: Cross multiply
370,876.56x = 511,809.61 × 201,110.68 - Step 4: Simplify right side
370,876.56x = 102,930,378,697.64 - Step 5: Solve for x
x = 102,930,378,697.64/370,876.56 - Step 6: Final answer
x = 277,532.72
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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.