Finding the Fourth Proportional to 263,157.16, 363,129.64 and 194,283.28
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Solution
The fourth proportional to 263,157.16, 363,129.64 and 194,283.28 is: 268,090.82
Step by Step Solution
- Step 1: Write the proportion equation
263,157.16 : 363,129.64 = 194,283.28 : x - Step 2: Convert to fraction form
263,157.16/363,129.64 = 194,283.28/x - Step 3: Cross multiply
263,157.16x = 363,129.64 × 194,283.28 - Step 4: Simplify right side
263,157.16x = 70,550,017,524.42 - Step 5: Solve for x
x = 70,550,017,524.42/263,157.16 - Step 6: Final answer
x = 268,090.82
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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.