Finding the Fourth Proportional to 192,378.81, 265,652.97 and 119,905.39
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Solution
The fourth proportional to 192,378.81, 265,652.97 and 119,905.39 is: 165,575.53
Step by Step Solution
- Step 1: Write the proportion equation
192,378.81 : 265,652.97 = 119,905.39 : x - Step 2: Convert to fraction form
192,378.81/265,652.97 = 119,905.39/x - Step 3: Cross multiply
192,378.81x = 265,652.97 × 119,905.39 - Step 4: Simplify right side
192,378.81x = 31,853,222,972.51 - Step 5: Solve for x
x = 31,853,222,972.51/192,378.81 - Step 6: Final answer
x = 165,575.53
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1.5x scale
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.