Finding the Fourth Proportional to 307,217.40, 460,874.70 and 107,532.96
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Solution
The fourth proportional to 307,217.40, 460,874.70 and 107,532.96 is: 161,316.45
Step by Step Solution
- Step 1: Write the proportion equation
307,217.40 : 460,874.70 = 107,532.96 : x - Step 2: Convert to fraction form
307,217.40/460,874.70 = 107,532.96/x - Step 3: Cross multiply
307,217.40x = 460,874.70 × 107,532.96 - Step 4: Simplify right side
307,217.40x = 49,559,220,680.11 - Step 5: Solve for x
x = 49,559,220,680.11/307,217.40 - Step 6: Final answer
x = 161,316.45
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1.5x scale
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.