Finding the Fourth Proportional to 178,947.07, 268,223.74 and 73,708.63
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Solution
The fourth proportional to 178,947.07, 268,223.74 and 73,708.63 is: 110,481.85
Step by Step Solution
- Step 1: Write the proportion equation
178,947.07 : 268,223.74 = 73,708.63 : x - Step 2: Convert to fraction form
178,947.07/268,223.74 = 73,708.63/x - Step 3: Cross multiply
178,947.07x = 268,223.74 × 73,708.63 - Step 4: Simplify right side
178,947.07x = 19,770,403,554.05 - Step 5: Solve for x
x = 19,770,403,554.05/178,947.07 - Step 6: Final answer
x = 110,481.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.