Finding the Fourth Proportional to 242,550.13, 334,719.60 and 135,123.99
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Solution
The fourth proportional to 242,550.13, 334,719.60 and 135,123.99 is: 186,471.34
Step by Step Solution
- Step 1: Write the proportion equation
242,550.13 : 334,719.60 = 135,123.99 : x - Step 2: Convert to fraction form
242,550.13/334,719.60 = 135,123.99/x - Step 3: Cross multiply
242,550.13x = 334,719.60 × 135,123.99 - Step 4: Simplify right side
242,550.13x = 45,228,647,883.20 - Step 5: Solve for x
x = 45,228,647,883.20/242,550.13 - Step 6: Final answer
x = 186,471.34
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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.