Finding the Fourth Proportional to 162,690.39, 243,763.43 and 106,460.19
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Solution
The fourth proportional to 162,690.39, 243,763.43 and 106,460.19 is: 159,512.19
Step by Step Solution
- Step 1: Write the proportion equation
162,690.39 : 243,763.43 = 106,460.19 : x - Step 2: Convert to fraction form
162,690.39/243,763.43 = 106,460.19/x - Step 3: Cross multiply
162,690.39x = 243,763.43 × 106,460.19 - Step 4: Simplify right side
162,690.39x = 25,951,100,540.55 - Step 5: Solve for x
x = 25,951,100,540.55/162,690.39 - Step 6: Final answer
x = 159,512.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.