Finding the Fourth Proportional to 104,863.29, 157,257.88 and 33,783.06
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Solution
The fourth proportional to 104,863.29, 157,257.88 and 33,783.06 is: 50,662.65
Step by Step Solution
- Step 1: Write the proportion equation
104,863.29 : 157,257.88 = 33,783.06 : x - Step 2: Convert to fraction form
104,863.29/157,257.88 = 33,783.06/x - Step 3: Cross multiply
104,863.29x = 157,257.88 × 33,783.06 - Step 4: Simplify right side
104,863.29x = 5,312,652,311.06 - Step 5: Solve for x
x = 5,312,652,311.06/104,863.29 - Step 6: Final answer
x = 50,662.65
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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.