Finding the Fourth Proportional to 194,941.68, 269,027.84 and 114,430.92
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Solution
The fourth proportional to 194,941.68, 269,027.84 and 114,430.92 is: 157,919.55
Step by Step Solution
- Step 1: Write the proportion equation
194,941.68 : 269,027.84 = 114,430.92 : x - Step 2: Convert to fraction form
194,941.68/269,027.84 = 114,430.92/x - Step 3: Cross multiply
194,941.68x = 269,027.84 × 114,430.92 - Step 4: Simplify right side
194,941.68x = 30,785,103,236.81 - Step 5: Solve for x
x = 30,785,103,236.81/194,941.68 - Step 6: Final answer
x = 157,919.55
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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.