Finding the Fourth Proportional to 179,831.42, 248,163.56 and 98,156.97
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Solution
The fourth proportional to 179,831.42, 248,163.56 and 98,156.97 is: 135,454.55
Step by Step Solution
- Step 1: Write the proportion equation
179,831.42 : 248,163.56 = 98,156.97 : x - Step 2: Convert to fraction form
179,831.42/248,163.56 = 98,156.97/x - Step 3: Cross multiply
179,831.42x = 248,163.56 × 98,156.97 - Step 4: Simplify right side
179,831.42x = 24,358,982,623.23 - Step 5: Solve for x
x = 24,358,982,623.23/179,831.42 - Step 6: Final answer
x = 135,454.55
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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.