Finding the Fourth Proportional to 269,661.76, 372,134.52 and 148,803.08
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Solution
The fourth proportional to 269,661.76, 372,134.52 and 148,803.08 is: 205,348.96
Step by Step Solution
- Step 1: Write the proportion equation
269,661.76 : 372,134.52 = 148,803.08 : x - Step 2: Convert to fraction form
269,661.76/372,134.52 = 148,803.08/x - Step 3: Cross multiply
269,661.76x = 372,134.52 × 148,803.08 - Step 4: Simplify right side
269,661.76x = 55,374,760,889.65 - Step 5: Solve for x
x = 55,374,760,889.65/269,661.76 - Step 6: Final answer
x = 205,348.96
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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.