Finding the Fourth Proportional to 408,440.75, 563,057.36 and 270,388.34
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Solution
The fourth proportional to 408,440.75, 563,057.36 and 270,388.34 is: 372,744.75
Step by Step Solution
- Step 1: Write the proportion equation
408,440.75 : 563,057.36 = 270,388.34 : x - Step 2: Convert to fraction form
408,440.75/563,057.36 = 270,388.34/x - Step 3: Cross multiply
408,440.75x = 563,057.36 × 270,388.34 - Step 4: Simplify right side
408,440.75x = 152,244,143,543.24 - Step 5: Solve for x
x = 152,244,143,543.24/408,440.75 - Step 6: Final answer
x = 372,744.75
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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.