Finding the Fourth Proportional to 196,685.10, 295,246.35 and 121,889.70
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Solution
The fourth proportional to 196,685.10, 295,246.35 and 121,889.70 is: 182,970.08
Step by Step Solution
- Step 1: Write the proportion equation
196,685.10 : 295,246.35 = 121,889.70 : x - Step 2: Convert to fraction form
196,685.10/295,246.35 = 121,889.70/x - Step 3: Cross multiply
196,685.10x = 295,246.35 × 121,889.70 - Step 4: Simplify right side
196,685.10x = 35,987,489,027.60 - Step 5: Solve for x
x = 35,987,489,027.60/196,685.10 - Step 6: Final answer
x = 182,970.08
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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.