Finding the Fourth Proportional to 394,645.95, 544,793.57 and 231,279.88
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Solution
The fourth proportional to 394,645.95, 544,793.57 and 231,279.88 is: 319,272.99
Step by Step Solution
- Step 1: Write the proportion equation
394,645.95 : 544,793.57 = 231,279.88 : x - Step 2: Convert to fraction form
394,645.95/544,793.57 = 231,279.88/x - Step 3: Cross multiply
394,645.95x = 544,793.57 × 231,279.88 - Step 4: Simplify right side
394,645.95x = 125,999,791,494.37 - Step 5: Solve for x
x = 125,999,791,494.37/394,645.95 - Step 6: Final answer
x = 319,272.99
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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.