Finding the Fourth Proportional to 155,120.60, 214,086.58 and 94,678.68
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Solution
The fourth proportional to 155,120.60, 214,086.58 and 94,678.68 is: 130,668.88
Step by Step Solution
- Step 1: Write the proportion equation
155,120.60 : 214,086.58 = 94,678.68 : x - Step 2: Convert to fraction form
155,120.60/214,086.58 = 94,678.68/x - Step 3: Cross multiply
155,120.60x = 214,086.58 × 94,678.68 - Step 4: Simplify right side
155,120.60x = 20,269,434,800.11 - Step 5: Solve for x
x = 20,269,434,800.11/155,120.60 - Step 6: Final answer
x = 130,668.88
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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.