Finding the Fourth Proportional to 263,454.42, 395,021.42 and 103,338.48
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Solution
The fourth proportional to 263,454.42, 395,021.42 and 103,338.48 is: 154,944.88
Step by Step Solution
- Step 1: Write the proportion equation
263,454.42 : 395,021.42 = 103,338.48 : x - Step 2: Convert to fraction form
263,454.42/395,021.42 = 103,338.48/x - Step 3: Cross multiply
263,454.42x = 395,021.42 × 103,338.48 - Step 4: Simplify right side
263,454.42x = 40,820,913,110.24 - Step 5: Solve for x
x = 40,820,913,110.24/263,454.42 - Step 6: Final answer
x = 154,944.88
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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.