Finding the Fourth Proportional to 207,558.13, 311,435.60 and 123,484.38
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Solution
The fourth proportional to 207,558.13, 311,435.60 and 123,484.38 is: 185,285.12
Step by Step Solution
- Step 1: Write the proportion equation
207,558.13 : 311,435.60 = 123,484.38 : x - Step 2: Convert to fraction form
207,558.13/311,435.60 = 123,484.38/x - Step 3: Cross multiply
207,558.13x = 311,435.60 × 123,484.38 - Step 4: Simplify right side
207,558.13x = 38,457,432,284.64 - Step 5: Solve for x
x = 38,457,432,284.64/207,558.13 - Step 6: Final answer
x = 185,285.12
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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.