Finding the Fourth Proportional to 225,741.29, 311,459.95 and 177,845.99
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Solution
The fourth proportional to 225,741.29, 311,459.95 and 177,845.99 is: 245,377.81
Step by Step Solution
- Step 1: Write the proportion equation
225,741.29 : 311,459.95 = 177,845.99 : x - Step 2: Convert to fraction form
225,741.29/311,459.95 = 177,845.99/x - Step 3: Cross multiply
225,741.29x = 311,459.95 × 177,845.99 - Step 4: Simplify right side
225,741.29x = 55,391,903,153.10 - Step 5: Solve for x
x = 55,391,903,153.10/225,741.29 - Step 6: Final answer
x = 245,377.81
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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.