Finding the Fourth Proportional to 189,004.68, 283,507.02 and 129,660.48
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Solution
The fourth proportional to 189,004.68, 283,507.02 and 129,660.48 is: 194,490.72
Step by Step Solution
- Step 1: Write the proportion equation
189,004.68 : 283,507.02 = 129,660.48 : x - Step 2: Convert to fraction form
189,004.68/283,507.02 = 129,660.48/x - Step 3: Cross multiply
189,004.68x = 283,507.02 × 129,660.48 - Step 4: Simplify right side
189,004.68x = 36,759,656,296.57 - Step 5: Solve for x
x = 36,759,656,296.57/189,004.68 - Step 6: Final answer
x = 194,490.72
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1.5x scale
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.