Finding the Fourth Proportional to 196,913.70, 295,370.55 and 97,121.70
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Solution
The fourth proportional to 196,913.70, 295,370.55 and 97,121.70 is: 145,682.55
Step by Step Solution
- Step 1: Write the proportion equation
196,913.70 : 295,370.55 = 97,121.70 : x - Step 2: Convert to fraction form
196,913.70/295,370.55 = 97,121.70/x - Step 3: Cross multiply
196,913.70x = 295,370.55 × 97,121.70 - Step 4: Simplify right side
196,913.70x = 28,686,889,945.94 - Step 5: Solve for x
x = 28,686,889,945.94/196,913.70 - Step 6: Final answer
x = 145,682.55
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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.