Finding the Fourth Proportional to 263,220.18, 363,213.09 and 148,500.63
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Solution
The fourth proportional to 263,220.18, 363,213.09 and 148,500.63 is: 204,913.52
Step by Step Solution
- Step 1: Write the proportion equation
263,220.18 : 363,213.09 = 148,500.63 : x - Step 2: Convert to fraction form
263,220.18/363,213.09 = 148,500.63/x - Step 3: Cross multiply
263,220.18x = 363,213.09 × 148,500.63 - Step 4: Simplify right side
263,220.18x = 53,937,372,689.25 - Step 5: Solve for x
x = 53,937,372,689.25/263,220.18 - Step 6: Final answer
x = 204,913.52
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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.