Finding the Fourth Proportional to 395,315.67, 545,534.84 and 214,027.57
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Solution
The fourth proportional to 395,315.67, 545,534.84 and 214,027.57 is: 295,357.62
Step by Step Solution
- Step 1: Write the proportion equation
395,315.67 : 545,534.84 = 214,027.57 : x - Step 2: Convert to fraction form
395,315.67/545,534.84 = 214,027.57/x - Step 3: Cross multiply
395,315.67x = 545,534.84 × 214,027.57 - Step 4: Simplify right side
395,315.67x = 116,759,496,155.54 - Step 5: Solve for x
x = 116,759,496,155.54/395,315.67 - Step 6: Final answer
x = 295,357.62
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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.