Finding the Fourth Proportional to 155,285.28, 214,243.92 and 95,703.84
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Solution
The fourth proportional to 155,285.28, 214,243.92 and 95,703.84 is: 132,040.63
Step by Step Solution
- Step 1: Write the proportion equation
155,285.28 : 214,243.92 = 95,703.84 : x - Step 2: Convert to fraction form
155,285.28/214,243.92 = 95,703.84/x - Step 3: Cross multiply
155,285.28x = 214,243.92 × 95,703.84 - Step 4: Simplify right side
155,285.28x = 20,503,965,840.65 - Step 5: Solve for x
x = 20,503,965,840.65/155,285.28 - Step 6: Final answer
x = 132,040.63
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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.