Finding the Fourth Proportional to 261,608.19, 361,026.21 and 146,895.99
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Solution
The fourth proportional to 261,608.19, 361,026.21 and 146,895.99 is: 202,720.34
Step by Step Solution
- Step 1: Write the proportion equation
261,608.19 : 361,026.21 = 146,895.99 : x - Step 2: Convert to fraction form
261,608.19/361,026.21 = 146,895.99/x - Step 3: Cross multiply
261,608.19x = 361,026.21 × 146,895.99 - Step 4: Simplify right side
261,608.19x = 53,033,300,728.77 - Step 5: Solve for x
x = 53,033,300,728.77/261,608.19 - Step 6: Final answer
x = 202,720.34
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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.