Finding the Fourth Proportional to 322,953.99, 484,480.20 and 165,129.14
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Solution
The fourth proportional to 322,953.99, 484,480.20 and 165,129.14 is: 247,718.87
Step by Step Solution
- Step 1: Write the proportion equation
322,953.99 : 484,480.20 = 165,129.14 : x - Step 2: Convert to fraction form
322,953.99/484,480.20 = 165,129.14/x - Step 3: Cross multiply
322,953.99x = 484,480.20 × 165,129.14 - Step 4: Simplify right side
322,953.99x = 80,001,796,350.63 - Step 5: Solve for x
x = 80,001,796,350.63/322,953.99 - Step 6: Final answer
x = 247,718.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.