Finding the Fourth Proportional to 189,253.74, 283,998.79 and 126,118.16
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Solution
The fourth proportional to 189,253.74, 283,998.79 and 126,118.16 is: 189,255.99
Step by Step Solution
- Step 1: Write the proportion equation
189,253.74 : 283,998.79 = 126,118.16 : x - Step 2: Convert to fraction form
189,253.74/283,998.79 = 126,118.16/x - Step 3: Cross multiply
189,253.74x = 283,998.79 × 126,118.16 - Step 4: Simplify right side
189,253.74x = 35,817,403,910.41 - Step 5: Solve for x
x = 35,817,403,910.41/189,253.74 - Step 6: Final answer
x = 189,255.99
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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.