Finding the Fourth Proportional to 196,154.19, 270,690.26 and 115,585.11
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Solution
The fourth proportional to 196,154.19, 270,690.26 and 115,585.11 is: 159,505.96
Step by Step Solution
- Step 1: Write the proportion equation
196,154.19 : 270,690.26 = 115,585.11 : x - Step 2: Convert to fraction form
196,154.19/270,690.26 = 115,585.11/x - Step 3: Cross multiply
196,154.19x = 270,690.26 × 115,585.11 - Step 4: Simplify right side
196,154.19x = 31,287,762,900.10 - Step 5: Solve for x
x = 31,287,762,900.10/196,154.19 - Step 6: Final answer
x = 159,505.96
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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.