Finding the Fourth Proportional to 151,605.46, 209,201.43 and 146,509.75
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Solution
The fourth proportional to 151,605.46, 209,201.43 and 146,509.75 is: 202,169.82
Step by Step Solution
- Step 1: Write the proportion equation
151,605.46 : 209,201.43 = 146,509.75 : x - Step 2: Convert to fraction form
151,605.46/209,201.43 = 146,509.75/x - Step 3: Cross multiply
151,605.46x = 209,201.43 × 146,509.75 - Step 4: Simplify right side
151,605.46x = 30,650,049,208.94 - Step 5: Solve for x
x = 30,650,049,208.94/151,605.46 - Step 6: Final answer
x = 202,169.82
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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.