Finding the Fourth Proportional to 263,919.94, 395,848.72 and 74,394.52
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Solution
The fourth proportional to 263,919.94, 395,848.72 and 74,394.52 is: 111,582.99
Step by Step Solution
- Step 1: Write the proportion equation
263,919.94 : 395,848.72 = 74,394.52 : x - Step 2: Convert to fraction form
263,919.94/395,848.72 = 74,394.52/x - Step 3: Cross multiply
263,919.94x = 395,848.72 × 74,394.52 - Step 4: Simplify right side
263,919.94x = 29,448,975,517.01 - Step 5: Solve for x
x = 29,448,975,517.01/263,919.94 - Step 6: Final answer
x = 111,582.99
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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.