Finding the Fourth Proportional to 178,163.12, 245,864.70 and 96,491.13
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Solution
The fourth proportional to 178,163.12, 245,864.70 and 96,491.13 is: 133,157.53
Step by Step Solution
- Step 1: Write the proportion equation
178,163.12 : 245,864.70 = 96,491.13 : x - Step 2: Convert to fraction form
178,163.12/245,864.70 = 96,491.13/x - Step 3: Cross multiply
178,163.12x = 245,864.70 × 96,491.13 - Step 4: Simplify right side
178,163.12x = 23,723,761,500.79 - Step 5: Solve for x
x = 23,723,761,500.79/178,163.12 - Step 6: Final answer
x = 133,157.53
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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.