Finding the Fourth Proportional to 395,313.62, 545,533.15 and 214,025.68
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Solution
The fourth proportional to 395,313.62, 545,533.15 and 214,025.68 is: 295,355.63
Step by Step Solution
- Step 1: Write the proportion equation
395,313.62 : 545,533.15 = 214,025.68 : x - Step 2: Convert to fraction form
395,313.62/545,533.15 = 214,025.68/x - Step 3: Cross multiply
395,313.62x = 545,533.15 × 214,025.68 - Step 4: Simplify right side
395,313.62x = 116,758,103,391.29 - Step 5: Solve for x
x = 116,758,103,391.29/395,313.62 - Step 6: Final answer
x = 295,355.63
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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.