Finding the Fourth Proportional to 162,979.68, 244,419.78 and 112,701.92
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Solution
The fourth proportional to 162,979.68, 244,419.78 and 112,701.92 is: 169,018.48
Step by Step Solution
- Step 1: Write the proportion equation
162,979.68 : 244,419.78 = 112,701.92 : x - Step 2: Convert to fraction form
162,979.68/244,419.78 = 112,701.92/x - Step 3: Cross multiply
162,979.68x = 244,419.78 × 112,701.92 - Step 4: Simplify right side
162,979.68x = 27,546,578,491.98 - Step 5: Solve for x
x = 27,546,578,491.98/162,979.68 - Step 6: Final answer
x = 169,018.48
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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.