Finding the Fourth Proportional to 203,230.08, 305,042.24 and 98,122.88
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Solution
The fourth proportional to 203,230.08, 305,042.24 and 98,122.88 is: 147,279.49
Step by Step Solution
- Step 1: Write the proportion equation
203,230.08 : 305,042.24 = 98,122.88 : x - Step 2: Convert to fraction form
203,230.08/305,042.24 = 98,122.88/x - Step 3: Cross multiply
203,230.08x = 305,042.24 × 98,122.88 - Step 4: Simplify right side
203,230.08x = 29,931,623,110.45 - Step 5: Solve for x
x = 29,931,623,110.45/203,230.08 - Step 6: Final answer
x = 147,279.49
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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.