Finding the Fourth Proportional to 209,026.08, 288,457.50 and 113,532.79
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Solution
The fourth proportional to 209,026.08, 288,457.50 and 113,532.79 is: 156,676.07
Step by Step Solution
- Step 1: Write the proportion equation
209,026.08 : 288,457.50 = 113,532.79 : x - Step 2: Convert to fraction form
209,026.08/288,457.50 = 113,532.79/x - Step 3: Cross multiply
209,026.08x = 288,457.50 × 113,532.79 - Step 4: Simplify right side
209,026.08x = 32,749,384,771.43 - Step 5: Solve for x
x = 32,749,384,771.43/209,026.08 - Step 6: Final answer
x = 156,676.07
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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.