Finding the Fourth Proportional to 353,324.92, 487,544.11 and 238,852.63
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Solution
The fourth proportional to 353,324.92, 487,544.11 and 238,852.63 is: 329,586.70
Step by Step Solution
- Step 1: Write the proportion equation
353,324.92 : 487,544.11 = 238,852.63 : x - Step 2: Convert to fraction form
353,324.92/487,544.11 = 238,852.63/x - Step 3: Cross multiply
353,324.92x = 487,544.11 × 238,852.63 - Step 4: Simplify right side
353,324.92x = 116,451,192,914.51 - Step 5: Solve for x
x = 116,451,192,914.51/353,324.92 - Step 6: Final answer
x = 329,586.70
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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.