Finding the Fourth Proportional to 217,847.37, 300,630.57 and 122,354.08
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Solution
The fourth proportional to 217,847.37, 300,630.57 and 122,354.08 is: 168,849.30
Step by Step Solution
- Step 1: Write the proportion equation
217,847.37 : 300,630.57 = 122,354.08 : x - Step 2: Convert to fraction form
217,847.37/300,630.57 = 122,354.08/x - Step 3: Cross multiply
217,847.37x = 300,630.57 × 122,354.08 - Step 4: Simplify right side
217,847.37x = 36,783,376,812.23 - Step 5: Solve for x
x = 36,783,376,812.23/217,847.37 - Step 6: Final answer
x = 168,849.30
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1.5x scale
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.