Finding the Fourth Proportional to 394,748.84, 544,720.34 and 233,575.65
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Solution
The fourth proportional to 394,748.84, 544,720.34 and 233,575.65 is: 322,314.84
Step by Step Solution
- Step 1: Write the proportion equation
394,748.84 : 544,720.34 = 233,575.65 : x - Step 2: Convert to fraction form
394,748.84/544,720.34 = 233,575.65/x - Step 3: Cross multiply
394,748.84x = 544,720.34 × 233,575.65 - Step 4: Simplify right side
394,748.84x = 127,233,408,067.66 - Step 5: Solve for x
x = 127,233,408,067.66/394,748.84 - Step 6: Final answer
x = 322,314.84
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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.