Finding the Fourth Proportional to 301,478.89, 416,022.16 and 165,511.99
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Solution
The fourth proportional to 301,478.89, 416,022.16 and 165,511.99 is: 228,396.27
Step by Step Solution
- Step 1: Write the proportion equation
301,478.89 : 416,022.16 = 165,511.99 : x - Step 2: Convert to fraction form
301,478.89/416,022.16 = 165,511.99/x - Step 3: Cross multiply
301,478.89x = 416,022.16 × 165,511.99 - Step 4: Simplify right side
301,478.89x = 68,856,655,299.29 - Step 5: Solve for x
x = 68,856,655,299.29/301,478.89 - Step 6: Final answer
x = 228,396.27
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1.5x scale
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.