Finding the Fourth Proportional to 189,393.93, 284,090.93 and 126,337.20
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Solution
The fourth proportional to 189,393.93, 284,090.93 and 126,337.20 is: 189,505.82
Step by Step Solution
- Step 1: Write the proportion equation
189,393.93 : 284,090.93 = 126,337.20 : x - Step 2: Convert to fraction form
189,393.93/284,090.93 = 126,337.20/x - Step 3: Cross multiply
189,393.93x = 284,090.93 × 126,337.20 - Step 4: Simplify right side
189,393.93x = 35,891,252,009.91 - Step 5: Solve for x
x = 35,891,252,009.91/189,393.93 - Step 6: Final answer
x = 189,505.82
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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.