Finding the Fourth Proportional to 225,497.29, 311,176.06 and 134,903.21
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Solution
The fourth proportional to 225,497.29, 311,176.06 and 134,903.21 is: 186,160.32
Step by Step Solution
- Step 1: Write the proportion equation
225,497.29 : 311,176.06 = 134,903.21 : x - Step 2: Convert to fraction form
225,497.29/311,176.06 = 134,903.21/x - Step 3: Cross multiply
225,497.29x = 311,176.06 × 134,903.21 - Step 4: Simplify right side
225,497.29x = 41,978,648,234.84 - Step 5: Solve for x
x = 41,978,648,234.84/225,497.29 - Step 6: Final answer
x = 186,160.32
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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.