Finding the Fourth Proportional to 192,331.08, 265,415.40 and 106,295.85
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Solution
The fourth proportional to 192,331.08, 265,415.40 and 106,295.85 is: 146,687.45
Step by Step Solution
- Step 1: Write the proportion equation
192,331.08 : 265,415.40 = 106,295.85 : x - Step 2: Convert to fraction form
192,331.08/265,415.40 = 106,295.85/x - Step 3: Cross multiply
192,331.08x = 265,415.40 × 106,295.85 - Step 4: Simplify right side
192,331.08x = 28,212,555,546.09 - Step 5: Solve for x
x = 28,212,555,546.09/192,331.08 - Step 6: Final answer
x = 146,687.45
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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.