Finding the Fourth Proportional to 319,765.42, 479,551.98 and 263,465.98
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Solution
The fourth proportional to 319,765.42, 479,551.98 and 263,465.98 is: 395,119.75
Step by Step Solution
- Step 1: Write the proportion equation
319,765.42 : 479,551.98 = 263,465.98 : x - Step 2: Convert to fraction form
319,765.42/479,551.98 = 263,465.98/x - Step 3: Cross multiply
319,765.42x = 479,551.98 × 263,465.98 - Step 4: Simplify right side
319,765.42x = 126,345,632,371.64 - Step 5: Solve for x
x = 126,345,632,371.64/319,765.42 - Step 6: Final answer
x = 395,119.75
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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.