Finding the Fourth Proportional to 358,291.41, 494,441.58 and 215,052.09
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Solution
The fourth proportional to 358,291.41, 494,441.58 and 215,052.09 is: 296,771.54
Step by Step Solution
- Step 1: Write the proportion equation
358,291.41 : 494,441.58 = 215,052.09 : x - Step 2: Convert to fraction form
358,291.41/494,441.58 = 215,052.09/x - Step 3: Cross multiply
358,291.41x = 494,441.58 × 215,052.09 - Step 4: Simplify right side
358,291.41x = 106,330,695,161.90 - Step 5: Solve for x
x = 106,330,695,161.90/358,291.41 - Step 6: Final answer
x = 296,771.54
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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.