Finding the Fourth Proportional to 147,011.17, 202,891.77 and 82,491.02
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Solution
The fourth proportional to 147,011.17, 202,891.77 and 82,491.02 is: 113,846.79
Step by Step Solution
- Step 1: Write the proportion equation
147,011.17 : 202,891.77 = 82,491.02 : x - Step 2: Convert to fraction form
147,011.17/202,891.77 = 82,491.02/x - Step 3: Cross multiply
147,011.17x = 202,891.77 × 82,491.02 - Step 4: Simplify right side
147,011.17x = 16,736,749,056.91 - Step 5: Solve for x
x = 16,736,749,056.91/147,011.17 - Step 6: Final answer
x = 113,846.79
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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.