Finding the Fourth Proportional to 106,554.36, 159,831.60 and 27,661.96
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Solution
The fourth proportional to 106,554.36, 159,831.60 and 27,661.96 is: 41,492.96
Step by Step Solution
- Step 1: Write the proportion equation
106,554.36 : 159,831.60 = 27,661.96 : x - Step 2: Convert to fraction form
106,554.36/159,831.60 = 27,661.96/x - Step 3: Cross multiply
106,554.36x = 159,831.60 × 27,661.96 - Step 4: Simplify right side
106,554.36x = 4,421,255,325.94 - Step 5: Solve for x
x = 4,421,255,325.94/106,554.36 - Step 6: Final answer
x = 41,492.96
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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.