Finding the Fourth Proportional to 408,213.09, 563,295.94 and 236,103.48
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Solution
The fourth proportional to 408,213.09, 563,295.94 and 236,103.48 is: 325,800.75
Step by Step Solution
- Step 1: Write the proportion equation
408,213.09 : 563,295.94 = 236,103.48 : x - Step 2: Convert to fraction form
408,213.09/563,295.94 = 236,103.48/x - Step 3: Cross multiply
408,213.09x = 563,295.94 × 236,103.48 - Step 4: Simplify right side
408,213.09x = 132,996,131,113.61 - Step 5: Solve for x
x = 132,996,131,113.61/408,213.09 - Step 6: Final answer
x = 325,800.75
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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.