Finding the Fourth Proportional to 269,964.06, 405,021.18 and 118,134.08
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Solution
The fourth proportional to 269,964.06, 405,021.18 and 118,134.08 is: 177,233.98
Step by Step Solution
- Step 1: Write the proportion equation
269,964.06 : 405,021.18 = 118,134.08 : x - Step 2: Convert to fraction form
269,964.06/405,021.18 = 118,134.08/x - Step 3: Cross multiply
269,964.06x = 405,021.18 × 118,134.08 - Step 4: Simplify right side
269,964.06x = 47,846,803,889.14 - Step 5: Solve for x
x = 47,846,803,889.14/269,964.06 - Step 6: Final answer
x = 177,233.98
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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.