Finding the Fourth Proportional to 254,668.55, 351,442.60 and 141,491.30
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Solution
The fourth proportional to 254,668.55, 351,442.60 and 141,491.30 is: 195,257.99
Step by Step Solution
- Step 1: Write the proportion equation
254,668.55 : 351,442.60 = 141,491.30 : x - Step 2: Convert to fraction form
254,668.55/351,442.60 = 141,491.30/x - Step 3: Cross multiply
254,668.55x = 351,442.60 × 141,491.30 - Step 4: Simplify right side
254,668.55x = 49,726,068,238.44 - Step 5: Solve for x
x = 49,726,068,238.44/254,668.55 - Step 6: Final answer
x = 195,257.99
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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.