Finding the Fourth Proportional to 269,547.75, 372,121.70 and 162,141.75
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Solution
The fourth proportional to 269,547.75, 372,121.70 and 162,141.75 is: 223,843.32
Step by Step Solution
- Step 1: Write the proportion equation
269,547.75 : 372,121.70 = 162,141.75 : x - Step 2: Convert to fraction form
269,547.75/372,121.70 = 162,141.75/x - Step 3: Cross multiply
269,547.75x = 372,121.70 × 162,141.75 - Step 4: Simplify right side
269,547.75x = 60,336,462,840.27 - Step 5: Solve for x
x = 60,336,462,840.27/269,547.75 - Step 6: Final answer
x = 223,843.32
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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.