Finding the Fourth Proportional to 203,483.34, 280,821.38 and 112,847.99
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Solution
The fourth proportional to 203,483.34, 280,821.38 and 112,847.99 is: 155,738.19
Step by Step Solution
- Step 1: Write the proportion equation
203,483.34 : 280,821.38 = 112,847.99 : x - Step 2: Convert to fraction form
203,483.34/280,821.38 = 112,847.99/x - Step 3: Cross multiply
203,483.34x = 280,821.38 × 112,847.99 - Step 4: Simplify right side
203,483.34x = 31,690,126,313.68 - Step 5: Solve for x
x = 31,690,126,313.68/203,483.34 - Step 6: Final answer
x = 155,738.19
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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.