Finding the Fourth Proportional to 316,954.26, 437,377.05 and 173,704.14
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Solution
The fourth proportional to 316,954.26, 437,377.05 and 173,704.14 is: 239,700.85
Step by Step Solution
- Step 1: Write the proportion equation
316,954.26 : 437,377.05 = 173,704.14 : x - Step 2: Convert to fraction form
316,954.26/437,377.05 = 173,704.14/x - Step 3: Cross multiply
316,954.26x = 437,377.05 × 173,704.14 - Step 4: Simplify right side
316,954.26x = 75,974,204,325.99 - Step 5: Solve for x
x = 75,974,204,325.99/316,954.26 - Step 6: Final answer
x = 239,700.85
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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.