Finding the Fourth Proportional to 296,629.74, 409,345.79 and 160,660.31
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Solution
The fourth proportional to 296,629.74, 409,345.79 and 160,660.31 is: 221,709.46
Step by Step Solution
- Step 1: Write the proportion equation
296,629.74 : 409,345.79 = 160,660.31 : x - Step 2: Convert to fraction form
296,629.74/409,345.79 = 160,660.31/x - Step 3: Cross multiply
296,629.74x = 409,345.79 × 160,660.31 - Step 4: Simplify right side
296,629.74x = 65,765,618,668.56 - Step 5: Solve for x
x = 65,765,618,668.56/296,629.74 - Step 6: Final answer
x = 221,709.46
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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.