Finding the Fourth Proportional to 228,459.16, 315,439.97 and 183,385.09
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Solution
The fourth proportional to 228,459.16, 315,439.97 and 183,385.09 is: 253,204.94
Step by Step Solution
- Step 1: Write the proportion equation
228,459.16 : 315,439.97 = 183,385.09 : x - Step 2: Convert to fraction form
228,459.16/315,439.97 = 183,385.09/x - Step 3: Cross multiply
228,459.16x = 315,439.97 × 183,385.09 - Step 4: Simplify right side
228,459.16x = 57,846,987,288.05 - Step 5: Solve for x
x = 57,846,987,288.05/228,459.16 - Step 6: Final answer
x = 253,204.94
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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.