Finding the Fourth Proportional to 470,455.43, 649,224.99 and 255,597.26
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Solution
The fourth proportional to 470,455.43, 649,224.99 and 255,597.26 is: 352,722.31
Step by Step Solution
- Step 1: Write the proportion equation
470,455.43 : 649,224.99 = 255,597.26 : x - Step 2: Convert to fraction form
470,455.43/649,224.99 = 255,597.26/x - Step 3: Cross multiply
470,455.43x = 649,224.99 × 255,597.26 - Step 4: Simplify right side
470,455.43x = 165,940,125,321.40 - Step 5: Solve for x
x = 165,940,125,321.40/470,455.43 - Step 6: Final answer
x = 352,722.31
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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.