Finding the Fourth Proportional to 197,138.70, 295,708.05 and 97,317.90
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Solution
The fourth proportional to 197,138.70, 295,708.05 and 97,317.90 is: 145,976.85
Step by Step Solution
- Step 1: Write the proportion equation
197,138.70 : 295,708.05 = 97,317.90 : x - Step 2: Convert to fraction form
197,138.70/295,708.05 = 97,317.90/x - Step 3: Cross multiply
197,138.70x = 295,708.05 × 97,317.90 - Step 4: Simplify right side
197,138.70x = 28,777,686,439.10 - Step 5: Solve for x
x = 28,777,686,439.10/197,138.70 - Step 6: Final answer
x = 145,976.85
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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.