Finding the Fourth Proportional to 203,174.36, 280,382.67 and 122,586.29
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Solution
The fourth proportional to 203,174.36, 280,382.67 and 122,586.29 is: 169,170.32
Step by Step Solution
- Step 1: Write the proportion equation
203,174.36 : 280,382.67 = 122,586.29 : x - Step 2: Convert to fraction form
203,174.36/280,382.67 = 122,586.29/x - Step 3: Cross multiply
203,174.36x = 280,382.67 × 122,586.29 - Step 4: Simplify right side
203,174.36x = 34,371,071,295.59 - Step 5: Solve for x
x = 34,371,071,295.59/203,174.36 - Step 6: Final answer
x = 169,170.32
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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.